After finding an odd envelope, Policeman Ming-han's life takes a spooky turn: He's now wed to a ghost husband, and they must solve a crime together.
A debt collector strikes a deal with a debt-ridden woman struggling to care for her ailing father: he will take care of her bills if she agrees to date him.
Facing a trail of murders staged as chilling word games, a rookie police captain and a goofy detective race to solve a serial killer's deadly puzzles.
