Ko Joo-yeon

Eunjin who is a living legend among the gangsters dominates the male-centered underworld wielding only a pair of her trademark blades. One day, Eun-jin finds her sister from whom she was separated at an orphanage during childhood, and her sister tells Eun-jin that her last dying wish is to see that Eun-jin gets married.

Dr. Jung Nam finds a photo album dating back to his days as an intern at the Ansaeng Hospital. This triggers memories of his life. In 1942, as a young medical intern, Jung-Nam's arranged marriage ended when his fiancée, whom he had never met, committed suicide. Later he was assigned to monitor the morgue late at night. There he fell in love with a corpse, which is later revealed as the body of his deceased fiancée. Soon other mysterious events take place in the hospital, involving a young girl haunted by ghosts and a serial killer targeting Japanese soldiers.

Nearby Seoul police stations Mapo and Seodaemun are compared to each other, consequently competition is fierce. A troubling case then occurs causing both stations to work together which stirs the pot even more.