College student Anna is betrayed by her boyfriend, who tries to sell her virginity at a club. Business tycoon Ryder saves her... but then invites her to sign a BDSM contract, making her his "Kitten". Little does he know that she's actually the angel who saved him when they were young - the one he's spent a decade searching for.
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.
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.
Six years ago, Alesha was framed by her stepmother and stepsister. After a one-night stand with the male lead, Chester, she gave birth to twins. The stepmother falsely claimed that the children had died and secretly sent them to Chester's home. Six years later, in an effort to escape an arranged marriage, Alesha coincidentally encounters her now-grown children in the park but mistakenly believes Chester is a kidnapper. The twins try to bring the two together, and Chester conceals his true identity while Alesha accepts his facade of a poor life. The two hastily marry. However, facing threats from Master Garcia, Alesha cleverly finds a way out and reveals many misunderstandings and conspiracies. After experiencing numerous misunderstandings and trials, Chester finally realizes Alesha's true identity and exposes the schemes of her stepmother and stepsister. The couple is reunited, and together with their twins, they welcome a happy life together.