Myung Hoi's successful political life is in danger as a result of an accident involving his son. An upstanding citizen with a strict moral code, he convinces his son to come forward with the accident instead of covering it up. Joong Shik's life revolves around his mentally handicapped son Boo Nam but his world comes crashing down when his son ends up dead in an accident. Ryun Hwa was with Boo Nam the night he was killed and saw everything firsthand. For some mysterious reason, she disappears without a trace. Both men look for her for two very different reasons and her secret is bound to connect these two men's lives in a harrowing way.