Weakness

Male lead Kim Dong-jin is a nobody at the law firm, completely invisible—until by a twist of fate he ends up entangled with Shi-eun, the receptionist forced by her boss into becoming his plaything; Kim Mi-young, the domineering team leader who is secretly beautiful and flirtatious; and Yoo Se-rin, a gifted new lawyer who has just joined the company. Each of them has been caught by her weakness, and yet they all seem to be searching for Dong-jin's weakness too. What could they be plotting?