In the midst of a violent gang war, a series of misfortunes threaten the fate of a gang boss and his mob.

A poet named Butterfly and her friend Kuen visit a stranger’s mansion to return some possessions that were unintentionally taken. At the house, they stumbled upon an illegal weapons trade…

Based on a real murder case where a dismembered corpse of a murdered 16 year-old prostitute girl was found in Hong Kong in 2008.