A convict named Yang Kang-chil (Jung Woo-sung) serves 16 years in prison for a murder he didn't commit. His innocent nature is protected by his best friend and "guardian angel" Gook-soo (Kim Bum). Prior to his release he experiences a near-death event and only survives thanks to a miracle. Gook-soo explains that Kang-chil will have three near-death miracles and he will only survive them if he learns from the experience.