Kim Do-gun

Seven years after the roundup in Vietnam, Ma Seok-do joins a new squad to investigate a murder case. He soon starts to dig deeper when he finds out the case involves a synthetic drug and a gang of thugs.

Detective Ma Seok-do joins the Cyber Investigation Team to nab Baek Chang-ki, a former mercenary and the head of an online gambling organization.

When a devil-worshipping criminal network plunges Seoul into chaos, the police turn to Holy Night—a trio of supernatural demon hunters—to restore order and defeat the rising evil.