A massive explosion and shootout in snowy Causeway Bay, Hong Kong, reveals a pharmaceutical heir's plot. His father's death in hospital triggers a drug war, destabilizing both legitimate and criminal worlds.

風林火山

Chan Ka Sing, Choi Kai Kwong and Lee Yuk Lan had been best friends since they were young. They hung out all the time at the lighthouse. Everything was fine until Ka Sing and Kai Kwong both fell in love for Yuk Lan. Compared to ambitious Kwong, Yuk Lan chose Ka Sing.