Lee Joon Sung, Song Jae Hyo, and Park Min Woo graduated from high school together and are now in their twenties. Joon Sung was a rising soccer star during high school, but his dreams were shattered. After losing his way for a while, he decides to get his life back together. Jae Hyo, who went by the name Lee Jun Sung in high school, is currently attending medical school. Min Woo is the only son of a wealthy family.

The three friends meet up for drinks, and Jae Hyo, who is facing a personal crisis, enlists the help of Jun Sung and Min Woo. To avoid trouble for himself, he impulsively instigates a fake kidnapping of Min Woo with the goal of getting a billion won. After the kidnapping is staged, though, things take an unexpected turn, and the ensuing complications lead all three of them down a dark and turbulent path.