Three days before Macau's return, five deeply affectionate killers. Killer Ah He (played by Nick Cheung) and his wife A Jing (played by Ho Chiu-yee) return to their hometown with their one-month-old child. Ah Huo (played by Anthony Wong) and A Bo (played by Lam Suet) are ordered by the underworld boss Da Fei (played by Simon Yam). Order came to hunt down Ahe, but another pair of good brothers...