City of Darkness (1999)

The plot basically revolves around Fei, White and Fong, 3 youngsters who are unknowingly related and are carrying pendants that are actually parts of a map which leads to the legendary 'Holy Wall' treasure. After a ruthless businessman and triad boss called Duanmu (Collin Chou) tracks them down, he sends in the goons to kidnap and force them to reveal the secret location of the artifact. Fortunately, their paths cross with those of nice guy cops Edge and his crazy partner Lin Dan (Donnie Yen), who take it upon themselves to protect the kids and to find the legendary loot before it falls into the clutches of evil.