Jang Deuk-Cheon (Jung Jae-Young) 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.
“Duel” takes over the OCN Sat. & Sun. 22:00 time slot previously occupied by “Tunnel” and will be followed by “Save Me” 2017.