Cheung Ye Pang (Andy Lau) is a Cantonese detective out to combat opium sellers. Encountering high-level corruption along with close friends being murdered, Pang sets out to stop the dealers.

A heroic tale of three blood brothers and their struggle in the midst of war and political upheaval. It is based on “The Assassination of Ma,” a Qing Dynasty (1644-1911)…