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.
The princeling of Lonbardie, Chuck, made a bet with his friends that he would win over a working girl named Wendy within a month. To test Wendy's sincerity, he pretended to be a brain tumor patient to deceive her. Wendy worked eight jobs a day to earn money for her boyfriend's treatment. However, one day while Wendy was working at a KTV, she happened to encounter Chuck celebrating his birthday and revealed the details of his masquerade of being poor and sick to his friends. Wendy stood in the corner, greatly shocked.
Quincy Bolton is betrayed by her husband and best friend, who conspire against her. On her way to a business meeting, she's given water laced with sleeping pills by her best friend. After falling unconscious, they dump her in a flood-prone area, where she's swept away by a mudslide. Her husband, Chuck Willis, and best friend, Claire Lloyd, plan to take over her company and even threaten her parents. Just when they think they've won, Quincy makes a dramatic return and turns the tables on them.
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.