Years after filming a viral documentary in high school, two bickering ex-lovers get pulled back in front of the camera — and into each other's lives.

A mysterious case happened, involving a serial killer with a claw hammer. Detective Dong Baek and Profiler Han Sun-mi separately chased the culprit.

In a colorful Seoul neighborhood, an ex-con and his friends fight a mighty foe to make their ambitious dreams for their street bar a reality.