Five members of a dangerous crime organization accidentally became unlikely fathers of an infant whom they had kidnapped in a blackmailing scheme. 14 years have passed, this boy, who is now named Hwa-yi, has been brought up in a unique way, learning skills from his five fathers instead of going to school. One day, Hwa-yi joins his first criminal plans with his gang fathers and kills a mysterious man by his gun, which in turn leads him to the discovery of a huge unbelievable secret and his tragic destiny.