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.

On the night of their high school graduation, three delinquents decide to exchange their darkest, most unspeakable secret.

Former bomb disposal expert and his fiancée board a high-speed train. Also, a well-known physics teacher who was involved in an affair scandal, also boards the same train in order to win back his wife. At the same time, there's a bomb on the train!

It is often said that those who make films are madmen, and those who watch them are fools. A group of individuals strives for the next box office hit, as the director creates a memorable allegory in a tense yet humorous atmosphere.