The male lead, Kim Dong-jin, is a total loser at the law firm with zero presence, but through a twist of fate he ends up involved with Si-eun, the receptionist coerced by her boss into becoming a sex slave; Kim Mi-young, the domineering team leader who is secretly beautiful and seductive; and Yoo Se-rin, a gifted lawyer newly arrived at the company. They all have their weaknesses under his grip, yet they also seem to be searching for Dong-jin's weakness. What exactly are they plotting?