The Vampire Detective

A former detective forms his own private investigative agency after being betrayed by his girlfriend and fellow officer. He meets Han Gyeo Wool, a pickpocket with an interesting case involving her brother and a black market for blood.

Han Gyeo Wool packs up her bags and moves in with the detectives, to their dismay. With her on the team, they're thrown into a case that they must solve within 24 hours, or else.

An old police friends asks Yoon San to look into the case of her newly-deceased father's encrypted will. In investigating her father's past, he finds startling links to his own.

The team gets a call from a blind woman who thinks that her brother has been wrongfully convicted of murders to which he has admitted committing. The case unfurls rapidly, and both San and Gyeo Wool just might be connected.

An actress' sister comes to the team, asking for incognito protection. San thinks that the culprit could be right next to them, on set

The same day that Goo Hyung receives an invitation to a class reunion, a former classmate shows up at his door. She wants the gang to solve an old buried mystery, one that could explain some of Goo Hyung's past.