who plays kat on madam secretary

Wealthy socialite Sharon escaped an arranged marriage to seek her estranged boyfriend, Yale. Hiding her identity, she worked as a hotel maid at her family's hotel to make ends meet, and encountered her university friend Nina, who impersonated her as the heiress of York Corporation. Nina wore Sharon's jewelry, tormenting her alongside company staff. When Sharon was mistreated, she coincidentally met Yale, only to find he was fallen for Nina and was soon to marry her. Heartbroken, Sharon vowed to move on but decided to expose Nina before leaving. At Yale and Nina's engagement party, Sharon revealed Nina's true identity. What's going happen among them?

Laura is the only daughter of the commander at Silverwood Aviation Base. In an effort to let her son meet his father, Richard Jones, she took the child to her husband's workplace—only to discover that Richard had already remarried someone else in Silverwood. Laura's arrival provoked a fierce reaction from his new wife's family, the Smiths, who not only humiliated her but also severely beat her son Nick, leaving him in a vegetative state. Faced with Richard's attempts to shift all the blame onto her, Laura decides to fight back and make sure the scumbag and his mistress get what they deserve.

Kimberly Harmon sacrifices herself to save her sister, Jennifer Harmon, and is rescued by Old Mr. Chapman, who adopts her as Ellie Chapman. Twenty years later, now CEO of Chapman Group, she discovers through a pendant that Todd Harmon is her father. Initially abandoning her father to marry into wealth, Jennifer ultimately regrets her actions and saves their father, leading to a joyful family reunion.

Annika woke up to find herself the wife of Maurice Sampson, the richest man in the country. She had lost her memory in a car accident.Gracie, who had feelings for Maurice, framed her and created constant conflict between the couple.Despite the misunderstandings, Maurice did everything he could to win back his wife and resolve the crisis between them, gradually rekindling their love. Just as Annika regained her memory, a man from her past appeared, determined to fight for her love. Maurice found himself in a fierce rivalry.In the end, on their third wedding anniversary, Annika and Maurice exchanged vows once more, promising a lifetime of happiness together.

Nina Aston was desperate to save her younger brother, who had slipped into a coma after being bullied at school. In her darkest hour, she turned to Colin Pierce—the top lawyer who had quietly been sponsoring her education all these years. A chance encounter between them leads to an unexpected night that changes everything.On the surface, Colin is cold and sharp-tongued, but beneath that tough exterior, he's been silently protecting Nina all along. Under the influence of the powerful Wade family, he pulls her out of danger time and again, becoming her unexpected guardian in a world full of threats.

Faye Grey, heiress to the legendary Draco Clan said to control half of the world’s fortune, keeps her identity hidden while being with Steve Pitt for three years to repay a life-saving favor. Secretly, she helps him achieve his success. However, Steve eventually grows disdainful of her and begins a relationship with Mary Cooper, the heiress of the Coopers. In a fit of anger, Faye grabs a beggar from the street and marries him on the spot. Unbeknownst to her, the beggar is actually Rolan Quinn, the top tycoon of Delinia. To avoid his family's pressure to marry, Rolan agrees to the arrangement. As time goes by, Faye and Rolan gradually fall for each other, and Faye eventually discovers that Rolan is the person who saved her years ago.

Wendy Booker transmigrates from her life as an average office worker making a modest salary into the body of a trillion-dollar heiress from Phersea city's elite circle who's obsessed with romance. Knowing that in the original storyline, she ends up ruined and dead at the hands of the ungrateful actor whose career she helped build, Wendy is determined to steer clear of the scumbag in her new life.

In their previous life, Fabian Quinn only realized after marrying Laurel Sweeney that she had never truly let go of Ian Solis, her first love. When she got the news of Ian's death, grief consumed her. Without hesitation, she took the abortion pills and ended her life. In an effort to save her, Fabian tragically lost his own life. When they opened their eyes once more, everything had changed. This time, Laurel chose Ian, the man who had always held a special place in her heart, while Laurel, in his rebirth, became the wealthiest man alive. In this life, their paths are completely different...

Dakota is Gabriella Lowery's only daughter, cherished since childhood, who later marries Chase Boone and moves far away. After marriage, Chase neglects the family and has an affair. Although Dakota suffers, she never complains to her mother. At her child's one-month celebration, Dakota hopes for her mother to attend, only to discover that everyone believes Gabriella has passed away and has kept this from her. Dakota refuses to believe it and argues with the Boone family. Years of unhappiness make her consider divorce, but Chase is unwilling. At this point, Gabriella arrives and, seeing her daughter's thin appearance, blames Chase. Still, she is willing to give him another chance. Unfortunately, the rift in Dakota and Chase's relationship is beyond repair. Dakota decides to divorce, and Gabriella supports her. Chase recognizes his mistakes, chooses to let her go, and expresses his intention to change, waiting for Dakota to return.

Ji-Yeon, the wanna-be among the theater majors at school, dreams of a bright future after being cast in a famous director's work. However, her life shatters when her best friend Yu-Mi spreads a deepfake video of Ji-Yeon having an intercourse with Professor Park, and on top of that, has an affair with Geon-Woo, Ji-Yeon's boyfriend. Determined for revenge, Ji-Yeon teams up with the teaching assistant Su-Ho, who exposes Yu-Mi's true identity to her.

Lydia Judd watched helplessly as her mother died at the hands of her abusive father. If given a choice, she would rather have never been born than let her mother marry him. Then, fate grants her a second chance—she wakes up in the past, when her mother is still young. Determined to change her fate, Lydia helps her escape her toxic family and keeps her away from the man who would ruin her life. Instead, she entrusts her to Shawn Lane, a man who had secretly loved her mother in their past life. As her mother's future shifts, Lydia begins to fade. On the day her mother gets married, Lydia quietly disappears, her mission fulfilled.

Rosia Vear, a modern party girl who enjoys clubbing and flirting with handsome men, has an accident and transmigrates into a fantasy female-dominated world. She awakens as a dying non-kin princess who has four beautiful male consorts. With her life counter at zero, she discovers she can extend her lifespan by successfully conquering the hearts of her four male consorts. As a modern woman experienced with men, she believes this will be easy. However, she soon realizes that her consorts aren't the simple, submissive beautiful men they appear to be...

In their previous lives, the empress and the consort spent their whole lives locked in a bitter rivalry. It wasn't until their deaths that they uncovered the truth—they had both been pawns in the emperor's game. Their children were used to turn them against each other, and their families had all perished at the emperor's hands. Reborn, the empress returns to the very day the emperor falsely accused her of causing the consort's miscarriage. This time, she does everything she can to protect her former enemy. But before she can offer an explanation, she discovers that the consort has been reborn as well. Once they confirm their shared secret, the two women turn from rivals to allies, determined to take down the unfaithful emperor together. In their previous lives, the emperor's power was still shaky at this point, and he relied heavily on the political influence of both women's families. This time, the empress uses his greed against him and brings him to his own downfall. At the story's close, the consort embraces a life of peace while the empress ascends the throne with grace. For once, the women of the imperial harem live peacefully, free of rivalry. Who says a woman can't wear the crown?

Leon Johnson had been working when he suddenly collapsed. After being diagnosed with cancer and given only three months to live, he decided to keep the diagnosis a secret from his wife, Rachel, not wanting to burden her. That evening, Rachel insisted he accompany investors for a drinking session that left him vomiting blood. Despite his condition, Rachel was constantly defending her first love, Yosef Lloyd. Leon managed to land a major contract and, excited about his success, rushed home, only to find Rachel feeding Yosef porridge, which sparked a heated argument. When Leon vented his frustrations to Rachel, she stormed out and climbed into a car with the drunk Yosef. In a tragic accident, Yosef crashed the car and killed Rachel's mother. Leon took his mother-in-law to the hospital, but the delay in getting there led to her death. The loss of his mother-in-law, who had always treated him like a son, hit Leon hard. But when he revealed the truth to Rachel, the wife he had once loved deeply refused to believe him, accusing him of lying.

Allie Mullen single-handedly raises Kellan Conley and Lyla Conley. Sacrificing everything, she works tirelessly to save money for Kellan's education, hoping he will return to help his hometown after completing his studies. However, Kellan disappears for ten years without a trace. The villagers believe he has abandoned his family and forgotten his roots. When the Conley village faces a major relocation project, Cedric Conley and the other villagers attempt to forcibly evict Allie, who refuses to leave, still holding onto hope for her son's return. Meanwhile, Kellan has finally completed a task for the wealthy Cecelia Johnston and is returning home. In an ironic twist of fate, Allie and Kellan narrowly miss each other during his return. It is Lyla who eventually finds her brother by chance, spotting him in a television interview. Finally, after years of separation, mother and son are set to reunite.

Shawn, heir to the renowned Divine Health Clinic, was left severely wounded during a robbery—until a chance encounter saved his life. The head of the prestigious Chester family happened upon the scene and rescued him. Grateful for their intervention, Shawn vowed to repay the debt by serving the Chesters, using his medical expertise to treat their young mistress, Minae, who suffered from a rare aging syndrome. For three years, Shawn worked tirelessly, elevating the Chester family's reputation while secretly restoring Minae's health. Yet, unaware of his true identity, Minae constantly tested his patience with mistrust. When his term of service finally ended, Shawn left, determined to reclaim his rightful place. Without his treatment, Minae's condition worsened. Desperate, she turned to Divine Health Clinic for help, only to discover that the master physician she had dismissed was none other than Shawn himself.

After years of being framed and mistreated by her adoptive sister Valeria, who covets the Barron family inheritance, true Barron heiress Ciara attempts to prove herself during a heated argument by jumping from the second floor. Her mother Shannon Merrill attempts to save her, resulting in both falling. When Shannon regains consciousness, she discovers she has somehow switched bodies with her daughter. Now inhabiting Ciara's body, Shannon finally witnesses the cruelty her daughter endured, such as how the servants only respect Valeria while mocking the true heiress. The situation reaches a breaking point when Shannon (in Ciara's body) is cornered in an alley by Valeria and beaten unconscious…

All eyes are on the Burke family's only heir, Hugh Burke, as he returns home and is swarmed by the media. Just then, his cousin publicly announces a wife search—only for a little girl, Lorna, to show up calling Hugh "Daddy." He denies it, but a DNA test is set in motion.Lorna's mother, Verna, is in prison. Fearing for her daughter's safety, she sent her to find Hugh. But to Hugh, Verna is the woman who once betrayed and abandoned him for money and power.Lorna's sudden appearance becomes the key to unraveling years of heartbreak and misunderstanding—giving Hugh and Verna a second chance at love.