After his father abandons the family, Autumn Moon drops out of high school and becomes a debt collector for the Triads. On his rounds, he meets and falls in love with Ping, a daughter of one of the Triads' clients. She is suffering from a fatal kidney disease, and to pay for her medical expenses, Autumn Moon takes an assassination contract, but as he slips deeper into the criminal underworld, he's haunted by a figure from his past.

It is July 1st of 1997, and Hong Kong is bright in celebration. The United Kingdom handover of Hong Kong to the People's Republic of China leaves Ga Yin, and his fellow soldiers without work. Which leads them to find employment and money any way they can get it. Without much success, Ga Yin decides to join his brother Ga Suen in the triad gang world.

A wondrous sex worker plies her trade while living on a boat in Hong Kong. With a superhuman libido and three loving husbands, she doggedly devotes herself to her work. Using sex to satirize the era, this film brims with intense desire.

Upon discovering that his estranged twin brother Lok has died, Joe's investigation of Lok's troubled past sends him to the world of underground boxing, where he suspects the opponent killed Lok during a bout. Sorely Joe finds himself unleashing his own animalistic instincts as he comes face to face with his brother's possible killer.