Ahn is a suicidal saxophonist, Mun is violent simpleton with an I.Q. of 80 and Maria is single mother with dreams of becoming a nun. Ahn has tried numerous times to kill himself but nothing ever works. When he witnesses his wifes infidelity, it is the last straw. He gets a call from Mun and both decide take things into their own hands by robbing a cafe at gunpoint. They run into Maria who is determined to find her baby who was taken from her. Maria decides to use the two men to get her baby back and joins the team.