When a Man Falls in Love (Korean: 남자가 사랑할 때; RR: Namjaga Saranghal Ddae; lit.

Directed by Kim Sang-ho and Choi Byung-gil, it stars Song Seung-heon, Shin Se-kyung, Chae Jung-an and Yeon Woo-jin.

He had once been a smart young man full of potential, but his dreams came to a halt when he was forced to work as a gangster for the same loan shark that destroyed his family.

Then one day, what was supposed to have been a simple extortion job turns into a chance meeting with Seo Mi-do (Shin Se-kyung), the daughter of a modest bookstore owner.

Mi-do is a troubled young woman who is full of drive and ambition; she is determined to better her life to forget the hardships of her poverty-stricken childhood.