After a blackout, Chan-woo wakes up beside a dead body in his next-door neighbour’s room. Having no clue of what’s happened, he is forced to make a quick escape, hiding from the spying eyes of his neighbours.

In a tour-de-force performance, Oh Dong-min (Chan-woo) plays a young man (and impromptu rapper) who is studying for the police exam when a series of unexpected events deliver a real-life crime-fighting test.