A Mystery of the Cube

A serial killer plays a cat and mouse game with a female detective.

A mysterious women out for revenge befriends a worker at a patent law office in order to get to his boss.

Kim In-Seo is an up-and-coming patent lawyer. He graduated from Yale University and was recently featured in Fortune Magazine. Kim In-Seo accepts an invitation to speak at a University and then takes a long bus ride to give the special lecture on patent law. A lady he met the day before, at an arranged matchmaking date, finds out that he will be riding the bus and decides to take the same bus. When they met at their matchmaking, Kim In-Seo’s mother explained to the lady, that something quite profound happened to her son a few years ago, but she is not sure what happened. While taking the evening bus together, Kim In-Seo tells the story of that profound experience which involved a lady named Hwa Yeon, the palm grove trees and the unfulfilled promises.

Woo Min is a junior in his high school and his father is the president of a large enterprise and lives with his young mother. Though he is rich and talented, he is a humble and ordinary boy who can be found everywhere. He found a true friend whom he can share everything with, Ho Jin. However, their pure friendship is obstructed by Ho Jin's mother since she is not happy with Ho Jin, being obsessed by the fact Woo Min will take over the seat of his father. Ho Jin happened to murder his biological father who had consistently abused her mother, but her mother voluntarily accused herself as the criminal for her son and is serving her sentence. To Ho Jin, Woo Min was like an oasis in the desert, and they became best friends. One day, they planned to secretly leave for New York.