This is a love story between a professor and a policewoman. Their dating experience is enhanced with sense and sensibility through the application of interesting physics theories on the investigation of various crime cases.
Kim Moo-Young é um zumbi há 2 anos. Para sobreviver, ele imitou os maneirismos dos humanos em uma aldeia. Ele então parte para a cidade. Lá, Kim Moo-Young abre um escritório para trabalhar como detetive particular. Ele não se lembra de nada antes de se tornar um zumbi. Ele luta para viver com humanos e recuperar sua memória passada. Enquanto isso, Kong Sun-Ji costumava ser redatora de um programa de denúncias sobre assuntos atuais. Uma testemunha de um caso, no qual ela estava trabalhando, foi atacada por um homem desconhecido. Devido a isso, ela largou o emprego. Ela se envolve com Kim Moo-Young e assume um cargo de meio período em seu escritório de detetive particular.
In the police force, "Death Investigation Extension" or "D.I.E." was established to accommodate those who have been sent away by their supervisors. As everybody knows, members of the Extension are to investigate unsolved cold cases. Yue Chi-Long (Roger Kwok), who has cracked a large number of difficult cases by extrasensory means, is assigned to the D.I.E. because his superiors find him strange for falling asleep constantly on the job. New appointee Ying Jing-Jing (Sonija Kwok) is a good-looking girl but she takes an uncompromising stand over every case she deals with. Initially unaccepting of a division made of incompetent detectives, she is tricked into staying by her former supervisor, who claims that she was placed there to eventually replace the head and whip the team into shape. Chi-Long proves himself a capable detective but has a laidback attitude. The relationship between Jing-Jing and Chi-Long is deteriorating day by day, but also improving in a way...