who knows your secret kdrama

After being set up by her stepsister, Sharon Shaw, Claire Shaw finds herself in a compromising situation with Tobias Hewitt, resulting in a one-night stand that leads to her being kicked out of her house. Six years later, she has transformed into an internationally renowned doctor and returns with her three children, determined to make those who wronged her pay for their actions. Later, Claire unexpectedly encounters Tobias, who needs treatment for his injured leg. With the help of her three children, they eventually develop feelings for each other. Together, they face various challenges, ultimately discovering that Tobias is, in fact, the father of her three children.

The rural-born college student Cynthia inadvertently helped Cyril's grandmother, who had been deceived, but Cyril mistakenly believed she was a scam artist. However, to fulfill his seriously ill grandmother's wish, Cyril and Cynthia hastily got married. While Cyril was at a club with friends, he encountered Cynthia, who was working there to earn money. Due to a series of misunderstandings, Cyril became more convinced that Cynthia was someone who would sell herself for money. In a fit of anger, he prepared to leave, but when he saw Cynthia being harassed by a customer, he couldn't bear it and stepped in to defend her. Cyril's friends threw a party to celebrate his marriage and specifically invited Cynthia to serve in the private room, nearly exposing Cyril's true identity. After the party, the club manager, trying to please Cyril, drugged Cynthia and sent her to Cyril's room. Cyril mistakenly thought Cynthia was selling herself for money and instructed his secretary to draft a divorce agreement. Once the misunderstandings were clarified, their relationship began to deepen.

Ximena was an artificial intelligence developer who lived a hard life with her husband Yosef to fund medical treatment for her mother-in-law. During a food delivery run, she discovered he was the heir of the wealthy Landon family and witnessed him proposing to his ex-girlfriend Anna with a $5 million necklace. Heartbroken, she decided to divorce him. At this low point, she met Miguel, CEO of Campbell Group, who funded her surgery and offered her a job at his company. During Campbell Group's branch opening ceremony, Ximena's self-driving car prototype impressed attendees, though Anna and Yosef attempted sabotage. Ximena ultimately proved her capabilities through technical demonstrations.

Yasin Craig, the heir to the prestigious Craig family and a special forces soldier, survives a plane crash during his final mission, only to be saved by battlefield doctor Xenia Jones. When Yasin regains consciousness, he has no memory of who he is. Meanwhile, Yuna, who stumbles upon the ring symbolizing Yasin's identity, is determined to secure wealth and status. She deceives Yasin's mother and becomes the adopted daughter of the Craig family. Fearing that Xenia might uncover the truth, Yuna starts to aggressively undermine her. Unable to remember his past, Yasin finds himself protecting Xenia—and in the process, unexpectedly regains his memory.

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.

Karissa was the true heiress of the Beltran family, who had been lost and later found. However, she was then kidnapped by Ivy, the family's adopted daughter. In a bid to prove who their family truly cared about, Ivy set fire to the warehouse they were in. In her moment of peril, Karissa found that her parents and brothers chose to save Ivy, abandoning her to her fate. Just when her life hung in the balance, she saw Luis, someone she had once lived with, come to her rescue. When she opened her eyes again, she found herself reborn three years earlier. This time, Karissa was determined to change the course of her life.

For the sake of her mother, Yvonne had to lie and let her boyfriend take the blame and go to prison unjustly. Six years later, Yvonne unexpectedly reunited with him, who was filled with strong resentment.

Faced with unbearable hardships, Carl Champ is forced to step into a world he never imagined. Along the way, he meets two remarkable sugar mommies who become the brightest lights in his life.

To fulfill his grandfather's wish, Blaine Scott reluctantly agrees to marry Amelia Lane for three years. Throughout the marriage, Blaine has been abroad and has never met Amelia. Even their divorce agreement is handled by his lawyer. Little does Blaine know that Amelia is actually the woman who saved him many years ago. However, a scheming woman, Ivy Blake, frames Amelia's brother and even pretends to be Blaine's savior, managing to gain his favor. In a twist of fate, after signing the divorce papers, Amelia unexpectedly has a one-night stand with Blaine, who has just returned to the country. On top of that, Blaine has also acquired the company Amelia works for and ends up as her boss!

Zoey Simken becomes the wealthiest person in the city,but everyone believes she owes her success to her husband, Justin Sisson. Her stepsister, Nora Simken,who demanded to switch marriages years ago,harbors deep resentment. Nora marries into the prestigious Ford family, only to be driven to madness by her abusive husband, Yasin Ford. Soon after, the Ford family collapses. At their father's funeral, Zoey is stabbed to death by Nora, who is then shot by a mysterious assailant. After Zoey and Nora are reborn, Nora rushes to marry Justin—Zoey's former husband—while Zoey discovers that her mother's death is linked to the Fords.Determined to uncover the truth and avenge her mother, Zoey seizes the opportunity to marry Yasin.

Five years ago, Zoey Campbell, the medical talent, was set up with her babies carved out of her belly. The mastermind behind the scene seized the baby boy and drove a wedge between Zoey and her husband, Ian Fleming. Five years later, Zoey came back with her daughter Anna, a talented hacker, seeking vengeance! After a series of twisted plots, Zoey realized she had taken the wrong boy as her son. The boy's real mother was the same one who arranged the brutal operation five years ago. Zoey's real son had been kept this vicious schemer as her punching bag! And the one who planned everything was actually Ian's evil twin brother...

In their previous life, Jude Roe believes that Sofia Moss is the woman who saved him fifteen years ago, and he plans to marry her. However, on the eve of their wedding, Jude is drugged and ends up in the wrong room, resulting in him marrying Celine Moss instead. Neglected by Jude and unloved, Celine and her child, Twinkle, face a difficult life. Celine is forced to put Twinkle in foster care. On Twinkle’s birthday, Celine is thrown out by Jude and visits the foster home with a birthday cake, only to find Twinkle being abused. In her fury, Celine and Twinkle are tragically killed. Time rewinds, and Celine Moss is reborn. This time, she is determined to seek revenge and make those who wronged her pay for their actions.

Beth Hart, a woman who sacrificed everything for her family, faces infidelity, manipulation, and societal judgment. ​ With the help of Matthew, a young mysterious EF1 legend, she reclaims her power, dismantles her toxic marriage, and embarks on a journey of self-love and freedom.

Alice Cooper, leader of the Cooper family, comes back after seven years to uncover the truth behind her mother's death. While seeking revenge, she catches the eye of the powerful Nova CEO, who later falls for her.

After mistaking her pregnant sister-in-law for a mistress, Megan publicly humiliated Mandy, who was later revealed to be the only one able to save her son's life. When the truth emerged, the family regretted alienating their true savior.

When Yvonne Carter was a child, she was a chubby girl who had a crush on the class nerd, Derek Lawson. As she grew up, her parents tricked her into going abroad and marrying a stranger. To get close to Derek, Yvonne applied for a job as his assistant. However, she accidentally inhaled an aphrodisiac and ended up spending the night with him. When Derek woke up, the beautiful "Cinderella" was nowhere to be seen. The only person in sight was the timid, plainly-dressed Yvonne, who had come to deliver documents. Derek mistakenly thought she had witnessed the previous night's events and ordered her to locate that woman. Eventually, he discovered that his "wife" was actually Yvonne, but by then, she had left in disappointment. He chased after her to the airport, where he confessed his deep love for her, and they embraced and kissed.

Jennifer was originally a wealthy young lady who mistakenly thought Eldridge had helped her and fell in love with him. She concealed her identity, silently supporting the poor Eldridge. However, just as Eldridge was about to achieve success, he abandoned Jennifer to marry a wealthy young lady in order to advance his career. Eldridge and his family treated Jennifer as a thorn in their side, insulting and defaming her in front of numerous dignitaries. Once Jennifer understood the truth, she revealed her identity as the daughter of the richest man, humiliating Eldridge back. Eldridge and his despicable family regretted their actions and tried to appease her, but it was too late. Jennifer loudly proclaimed to the world that Eldridge was unworthy of her. At the same time, Herschel, the man who was engaged to Jennifer in their childhood, found her and spared no effort to seek revenge on her behalf, fulfilling his wish and eventually winning her heart.

Addison Rowe is the true heiress who is reunited with her family 12 years ago. Upon her return, Addison falls in love with Jensen Lott at first sight and eagerly pursues him. However, Jensen looks down on Addison for her country origins and rejects her advances.