Oops! I Slept My Rival's Billionaire Dad

In her past life, she and her husband grew up as adoptive siblings, became spouses, and spent a lifetime together until old age. When both are reborn, she believes fate has given them a second chance only to discover that he has always had a woman he couldn't forget. This time, he abandons her without hesitation. Left behind, she is adopted into another family and chooses to walk a completely different path, starting a new life without him.

Five years ago, Sarah was drugged by her stepsister and unknowingly spent the night with Jackson, CEO of the Ford Group. Abandoned while pregnant, she later gave birth to quadruplets, two of whom were secretly taken from her. Now raising the remaining children alone, Sarah joins the Ford Group for a better life, only to reunite with Jackson. Separated by lies, they grow closer as buried secrets begin to surface.

Anne has been chosen as Gavin's little bride since childhood. But on their engagement day, Gavin cheated on her with Grace. Anne was heartbroken and had a one-night stand with a man called Robert. She was forced to be Robert's secret lover for three years. However, she didn't know Robert was exactly Gavin's uncle, Arman. Anne thought she was saved by Gavin many years ago, but actually it was Arman who saved her. She and Arman finally got together and lived happily ever after...

Lillian hides her true identity as the chairwoman of a listed company, living as an ordinary sales rep. But when she discovers her husband Milo's betrayal and his plan with his mistress, Whitney, to steal her fortune, her world collapses. Broken but not defeated, Lillian awakens. With quiet precision and the power she once hid, she exposes Milo's schemes, protects her daughter, and makes him choke on the consequences of his own greed.

After returning home, Lee Group CEO Esther is publicly humiliated by a woman claiming to be her son's wife. She soon discovers her son's affair and his plan to use her welcome-back party to legitimize his mistress. Esther stays silent and strikes back at the party, stripping her son of succession and naming her daughter-in-law Rachel as the new heir.

Betrayed, robbed of her inheritance, and murdered by her cheating boyfriend and his mistress, Nancy gets a second chance at life. Upon rebirth, she stuns everyone by marrying Riverport's richest man, Lincoln, and turning the tables on those who destroyed her. To save her late father's company, Nancy must survive a ruthless six-month business wager. With Lincoln as her ally, she crushes her enemies, reclaims her power, and rewrites her fate.

Esther Jennings discovers her fiancé, Channing, is cheating with her stepsister, Ember, and worse, she's pregnant. Heartbroken, Esther seeks revenge by marrying the ruthless Carl Shepherd, the infamous "Devil of Riverton." In exchange for his power, she agrees to be his wife, but they vow to keep things strictly business. As Esther fights back against her betrayers, the line between pretense and real feelings blurs, and love grows in the ashes of revenge.

Seven months pregnant with her second child, Natalie finds that her husband of ten years had once legally married another woman. The betrayal shatters her world. Determined to leave, she prepares to return to her powerful birth family only to suffer a premature labor. Delayed treatment costs her unborn child's life. With her last hope extinguished, Natalie cuts all emotional ties and is taken back into the elite family she once walked away from.

Sadie has always been a good girl, but she falls for Ethan, her sister's rival. To please him, they indulge in many secret, scandalous encounters. After a passionate camping trip, Sadie discovers the shocking truth: Ethan's love was a revenge scheme against her sister. Sadie is heartbroken and makes the painful decision to walk away.

Bentley, the true power behind Apex Constructions, hides his identity to raise his son right, posing as a night-market fruit vendor while sending Sam to learn the hard way on a construction site. But when a ruthless bully, Hunter, the spoiled son of Bentley's own subordinate, targets Sam, steals his girlfriend, and crushes him at every turn, Bentley steps in. His secret is revealed, yet the bully still dares to strike until Hunter's father arrives, and the truth finally hits home.

With no way out, Vera sets her sights on Yael Brown, a top-tier powerbroker known for his coldness and ruthlessness. Yael sees through her intentions from the start, but chooses to indulge her, drawn in despite himself. What begins as a calculated game slowly turns into an emotional entanglement, pulling the untouchable man down from his pedestal and binding him to her fate.

Ashamed of his market-selling wife, Shannon, Barrett divorces her for money and ambition. After inheriting a vast fortune, Shannon unexpectedly becomes CEO of Paxwell Group. When Barrett later seeks a partnership with the company, she gives him a chance until the board reveals her true identity, leaving him utterly stunned.