Movie Summary: [Foreign]

    Superstar Andy Lau and hot newcomer Louis Koo star in this explosive action drama. Appointed to infiltrate Hung Hing, Hong Kong's most powerful triad, detective Sing (Koo) rises up the ranks and is promoted to right-hand-mand to the triad's leader, Flying Dragon (Lau). Caught between duty and loyalty, Sing must choose whether to arrest his "Big Brother" or risk him being killed by another up-and-coming gangster. Co-starring the great Anthony Wong as Dragon's hot-tempered, foul-mouthed brother Leopard.