明朝成化年(nián )间(jiān )，朝纲腐败，奸邪当道。西厂东厂为宦官(guān )把持，混淆(xiáo )黑白，陷害忠(zhōng )良，朝野内外(wài )噤若寒(hán )蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连(lián )铲除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正劲的西(xī )厂