Jang Deuk-Cheon is the chief of a crime squad. At home, he is kind and friendly father to his daughter. He meets a human clone and gets involved in a shocking case. A battle takes place between human clones.

A patriotic bodyguard who was abandoned by his country and colleagues, a hidden daughter of leading Presidential candidate who regards love as a tool for revenge, and the First Lady contender who hides her ambition and charisma behind a kind and friendly personality.