Sang-man (Cha Tae-hyun) attempts to commit suicide by overdosing on pills, but fails. He then attempts to kill himself by jumping off a bridge and into a river, but is saved. Brought to the hospital, Sang-man awakens and sees a man smoking next to him. He tells the other hospital patrons, but no one believes him. During his stay in the hospital he eventually meets four ghosts. Meanwhile, Sang-man meets nurse Jung Yun-soo (Kang Ye-won) at the hospital and quickly falls in love.