When a judicial apprentice goes behind bars while on an undercover job, he plays the hand he’s dealt to survive prison and get his payback.

Son Ha Neul (Nam Bo Ra) is a young woman who lost her parents to a terrible accident and has been living at a friend’s house. She works odd jobs during the day and night to support herself. Yoon Ga On (Na Jong Chan) is a member of the famous idol group Dexter and is known as a musical genius. The two strangers’ worlds collide when Ha Neul gets a temp job one night to work on the production of Dex...

When a judicial apprentice goes behind bars while on an undercover job, he plays the hand he’s dealt to survive prison and get his payback.