Zombie Detective 2020 Kim Moo Young Choi Jin Hyuk has been a zombie for the past 2 years To survive, he has mimicked the mannerisms of humans in a village He then leaves for the city There, Kim Moo Young opens an office to work as a private detective He does not remember anything before he became a zombie He struggles to live with humans and to regain his past memory Meanwhile, Kong Sun Ji Park Joo Hyun used to be a writer of a current affairs complaint program A witness in a case, she was working on, was attacked by an unknown man Due to that, she quit her job She becomes involved with Kim Moo Young and takes a part time position at his private detective office