Residents of a high-rise building fight for survival when a deadly disease breaks out and turns the infected into blood-lusting zombies.

A story of two completely different lawyers. Go Tae Rim is a lawyer with a 100 percent success rate who knows how to play with the law, and Seo Jae In is a rookie lawyer who believes in the law and justice.

An internet broadcaster recruits a handful of people for their 'experience the horror' show at Gonjiam Psychiatric Hospital, a place selected as one of the '7 freakiest places on the planet'. They are to explore the haunted asylum and stream it live on their online show.