Dae-Man is a blogger who writes about cold cases. But in real life, he runs a comic book shop and is always scolded by his wife. His Sherlock Holmes-level deduction skills are of no use in his daily life. Homicide veteran Detective Noh was a legend in his heyday but he was demoted many years ago and now he¡¯s forced to work under his junior. One day, a horrific murder takes place and Dae-man¡¯s friend is framed for the murder! Not wanting to see his friend rot in prison for 30 years, Dae-man and Det. Noh have no choice but to partner up and uncover the plot behind the murder. As more bodies surface without any solid connection between them, the two men know that they are running out of time.