your sister's sister cast

Karina's stepson's birth mother returns, threatening to take the boy Karina raised and helped heal from a congenital leg disability. After a heated argument, Karina realizes her husband and stepson saw her only as a free nanny. Desperate, she then discovers John, her silent protector, ready to help her restart her career and shine again as a cybersecurity queen. When her ex-husband and stepson regret it, it's too late.

Woo-Yeon, a second-generation chaebol, starts an internship at her father's company, where she works with Jae-Hwan, a notoriously prickly but highly capable and sexy boss. She soon discovers that Jae-Hwan’s wife, Ji-Su, was the one who bullied her in the past. Determined to get revenge, Woo-Yeon decides to make Jae-Hwan her own man.

Wren Yale, born into an aristocratic family, is the picture of grace—elegant, refined, untouchable. Yet beneath the facade burns a spirit shaped by years of oppression, fierce and unyielding. Sent as her sister’s stand-in to a ruthless inspector, she twists the trap into her chance, ensnaring Phil Dunne, the formidable young marshal. What begins as survival and ambition soon blurs into perilous desire—she casts the bait, but he walks into her net, heart first.

Kyle Cooke believes he and Sara Wood are a loving married couple—five years of marriage as proof of their happiness.However, when he goes to the city hall to replace their coffee-stained marriage certificate, he’s shocked to discover the system shows him as “unmarried,” while Sara’s spouse is registered as another man—Noe Gibson. This discovery unveils a brutal truth: Kyle once caught Sara in an intimate moment with Noe, but she begged forgiveness claiming she was “looking for a stand-in,” even threatening suicide. After learning of her determination to “never let him find out,” Kyle’s heart dies completely. He decides to cancel his domestic identity, change his name, and disappear forever.

After a tragic attack left his family dead, Frank became separated from his two younger sisters. Now a cripple, he married the gold-digger Jane. However, Jane abandoned both her husband and son. Years later, their son, Yannick chose to side with his mother's new partner, causing humiliation for Frank. Fortunately, his sister recognized him and stepped in to help him reclaim his dignity.

Cleaner Betty’s night shift takes a fateful turn: she rescues a drugged stranger—unaware he’s elite tycoon Eli—and they share an impulsive night. The next morning, she slips away to help her best friend Ivy out of a crisis, , leaving Eli desperate to find her. Seizing the chance, Ivy poses as Eli’s mystery woman, lying outright that her ex-husband’s child is his—and steals Betty’s place entirely. Betty discovers she’s pregnant soon after starting medical school, raising the baby alone. Six years later, she becomes Eli’s household private physician. From their first meeting, Eli can’t shake the mother-daughter pair’s uncanny familiarity—a connection that makes him question everything…

Tansy West, the eldest daughter of the West family, escapes her political engagement to Edric Byrd, the eldest son of the Byrd family, by running away during the engagement party and disguising herself as a man. In her escape, Tansy accidentally becomes Edric's bodyguard. As they spend time together, they develop feelings for each other. However, Edric, originally biased against his fiancee, mistakenly believes he has fallen for his male bodyguard, causing much humorous confusion. Tansy helps Edric deal with his malicious stepmother and his scheming younger brother. She attends a gathering in her female guise, where her brother and parents recognize her. To ensure the couple's marriage proceeds smoothly, both sets of parents knock them out and send them to the wedding venue. The male lead's younger brother is captivated by Tansy's beauty and wishes to marry her himself. During another escape attempt, Tansy and Edric discover each other's true identities. Edric begins to acknowledge his feelings for Tansy, and they confess their love for each other. With her help, Edric successfully defeats his father, regains control of the Byrd Group that rightfully belongs to his mother, and lives happily ever after with Tansy.

Three years ago, Jenny's mother passed away after a serious illness. On her deathbed, she entrusted Jenny to her best friend Mia, who was the richest person. Under Mia's arrangement, Jenny entered into a flash marriage with Mia's son Charles. Right after the marriage, Charles went abroad for work. Three years later, Charles returned home. He mistook Jenny for someone else and accused her of infidelity. Jenny, having waited for her husband in vain for a long time, also felt resentful towards him. Charles hired a detective to investigate Jenny, and by a strange twist of fate, Jenny herself was the one who took on the investigation assignment. During their work interactions, the two developed admiration for each other. Persuaded by Mia, Jenny also rekindled her hope for her husband. However, they missed the chance to clear up misunderstandings at a family gathering. Charles mistakenly thought Jenny was late, left in a fit of pique, and insisted on getting a divorce. Later, Jenny was framed by Jennifer and Johnson. At the critical moment, Charles arrived and rescued her. In an attempt to bring the two together, Mia arranged a bidding conference. At the conference, Charles made a high-profile bid to humiliate Jenny's ex-boyfriend. But due to another misunderstanding, the two missed the opportunity to recognize each other once again...

Yara, hailed as a business genius, repays her fiancé Charles's life-saving act by helping him build a company from scratch and granting him ten chances to make mistakes. Thanks to her drive, his firm quickly takes root in the capital but still can't go public, so Yara travels overseas to open new markets. Three years later,she comes back exhausted to a changed Charles, now harsh and,influenced by his cousin Sophia, constantly hurting her. When he exhausts all ten chances,Yara ends the engagement, and that very day Charles's company falls into crisis.

Billionaire CEO Rachel White is about to marry her boyfriend Cody Gill.To support his career, she keeps a low profile and goes to the airport to pick up her future mother-in-law, Lola George. Lola is a snob who mistakes Cody’s mistress, Lydia Harris—dressed to impress and flattering the mother-in-law—for “the CEO daughter-in-law.”Meanwhile,she mistakes Rachel for the mistress and humiliates her mercilessly.

After Queenie's parents reclaimed their biological daughter, they cast Queenie out of the house. Beckham's grandmother took her in, offering her a place to stay and arranging for her to work at Beckham's company. As Queenie and Beckham spent time together, they gradually fell in love, while the truth about Queenie's real identity slowly came to light.

Once the beloved heiress of the Hujiwara family, Mao gave up her name to live a humble life with her husband, Syohe Ito, working as a cleaner at Kurosaki Group. She saved the company from a financial crisis and secured a ¥20 billion deal for Syohe's birthday, only for him to humiliate her, credit the success to his mistress, and demand a divorce. Signing the papers, Mao swore to fight back.

Daria Carter, a single mother, embarked on the journey back home with her twins, Milo and Myla, for their education. To her surprise, they unexpectedly crossed paths with William Shaw, with whom Daria had a romantic fling five years prior. Upon recognizing Daria, William chose to conceal his identity, assuming the guise of a prodigal son to establish a connection with her. As their friendship unfolded amidst various challenges, marked by moments of sweetness, William found himself increasingly drawn to Daria. Simultaneously, Daria eventually discovered that William was the father of her beloved twins. In the end, love bloomed between them, leading to the formation of a complete and harmonious family unit, embracing the joyous presence of Milo and Myla.

In her past life, Portia Brooks injures her legs trying to save her birth mother, only to get drained dry by her bloodsucking family while her fiance and sister hook up right over her deathbed. This time around,she cuts them all off without a second thought. She destroys her parasitic family, dumps her cheating fiance, and completely destroys her backstabbing sister. With her incredible skills at restoring antiques, Portia quickly marries Wesley Locke, Northden's richest man,and uses his connections to get her revenge. Family love that shows up too late is worthless. This time, she only protects her adoptive mother and her real love, making sure her enemies pay with everything they've got.

Three years ago, Gabriella Kelly unknowingly convinced her husband Ray Chambers to sponsor college student Angela Mitchell's education as a blessing for their future child. Three years later, Angela arrives at Ray’s company for an internship with two friends, but she completely misreads the situation and believes Ray is interested in her romantically. She begins acting like she owns the place at work and shockingly mistakes the pregnant Gabriella for Ray's mistress, even going so far as to cause her miscarriage.

In her past life, Alison Swain mistook a bitch for her best friend. She fell right into all the traps set by Stella Lane, got abandoned by her family, and ended up dying under a car.Now reborn, Alison knows the truth.She’s reclaiming her life, exposing every lie, and rewriting her fate—with her real “childhood savior” Nathan Wynn.

Nina and Adam are both trying to flee from an arranged marriage tailor-made for them, but by the hand of fate, they end up meeting each other unprompted and making the spur-of-the-moment decision to get hitched. Adam, secretly a billionaire, goes all out to spoil Nina, leading to funny and sweet surprises on a daily basis as he tries to keep his uber-rich true identity under wraps. Adam doesn’t just pamper Nina; he stands up for her against her greedy stepmother and stepsister, and anyone else who’s hurt her, while helping her achieve career dreams in the happy-ever-after.

Miranda, heiress of Frank Aviation Group, returns on her private jet with her young daughter Bella. Her pilot husband, Andre, warmly greets them but secretly takes her jet card to rendezvous with his lover, Jennifer, to whom he lends the aircraft. When Miranda and Bella unexpectedly return to the jet the next day, they confront the arrogant Jennifer, who humiliates Bella and destroys her priceless crown, boldly claiming the jet as her own. Realizing her husband’s betrayal, Miranda exposes Andre’s true nature. With the help of her billionaire father, she sets a trap that leaves Andre bankrupt and behind bars.