When Jung-Woo's efforts to build a successful business finally pay off, his ex-wife Ae-Ra decides she wants him in her life again.

After three years apart, Jung-Woo and Ae-Ra reunite at the police station; he is a wealthy CEO and she is a struggling divorcée.

Dreaming of getting the perfect revenge on Jung-Woo, Ae-Ra decides to go to work at his company as an intern.

When Ae-Ra is accused of industrial espionage after her employee card goes missing, Jung-Woo comes to her rescue.

Jung-Woo realizes that keeping Ae-Ra around is risky since she knows all his weaknesses, but he doesn't have a legitimate reason to fire her.

The project involving Ae-Ra's parents' restaurant is a huge success, but there's panic when a customer claims that their food made him sick.