Tae-joo manages to rise in rank in a gang for saving the boss's life. However, prosecutor Dong-pal appears in front of him as his sworn enemy. Meanwhile, Jo-pil wants to get rid of Tae-joo's gang, training for revenge. The three men's goals intertwine.
Min, a tough guy whose widowed mother is a drunk. The story traces his journey from high school to the underworld as one of his friends introduces him to life in the mob. Complicating Min's life further is his romance with Romi, a girl from an upper-class family with dreams of going to a prestigious college.
The film consists of four episodes, all of which take place in Room 407 of Motel Cactus, a love hotel in Seoul.
