eng Piao (Ti Lung) went to jail for fifteen years on a frame up for drug smuggling. Now that he's out, along with his iron chain, Teng Piao is hungry for revenge. The man he wants to beat with his chain is Black Leopard Lam Fei. The problem for Teng Piao is that he doesn't know who he is, only that he has a picture of a black leopard tattooed on his chest.

Overview from themoviedb.org