When a Man Falls in Love (Korean: 남자가 사랑할 때; RR: Namjaga Saranghal Ddae; lit. When a Man Loves) is a 2013 South Korean television drama series broadcast by MBC. Directed by Kim Sang-ho and Choi Byung-gil, it stars Song Seung-heon, Shin Se-kyung, Chae Jung-an and Yeon Woo-jin. It aired from April 3 to June 6, 2013, replacing 7th Grade Civil Servant and was replaced by The Queen's Classroom. The story revolves around a world-weary gangster as his love life intertwines with three others, and how the course of their lives changes entirely based on one moment of fevered passion.