Hae-Gwan's (Lee Sung-Min) daughter Yoo-Joo (Chae Soo-Bin) is missing. People around him tell him that his daughter died in the fire that took place at a subway station in Daegu, but Hae-Gwan refuses to believe she is dead. To find Yoo-Joo, he goes everywhere and anywhere. One day, he receives a phone call that the caller saw Yoo-Joo on an island. Hae-Gwan goes to that island, but he can't find her
