'Pain') is a 2011 South Korean romantic drama film directed by Kwak Kyung-taek.

[2][3][4] Kwak's first feature in three years, it is a romantic melodrama set in Seoul, which is a departure from the director's previous Busan-based masculine thrillers and gangster movies.

[5] Debt collector Nam-soon (Kwon Sang-woo) lost his sense of pain after a traumatic accident during his youth, and now regularly takes beatings for his job.

Street vendor Dong-hyun (Jung Ryeo-won) suffers from severe hemophilia, a disorder that impedes the body's ability to stop bleeding.

As the two grow closer, Nam-soon suddenly begins to lose his lifelong insensitivity to pain and the hurt of a lifetime washes over him.