After being involved in a traumatic incident, 17-year-old Gong-ju is forced to change schools. Uncared for by her parents, her previous teacher arranges for her to hide away at his mother's place. It takes time for her past to catch up with her, but when it does the revelation is devastating.
A comic book storekeeper, Dae-man, and the legendary homicide detective, Tae-su, who met on previous case quit their jobs to open a private detective agency.
A cold-case enthusiast blogger and a washed-up veteran detective team up for a joint investigation to rescue their innocent friend who is framed for murder.
