明朝成化年(nián )间，朝纲腐败，奸邪当道。西厂东(dōng )厂为(wéi )宦官把持，混淆(xiáo )黑(hēi )白(bái )，陷(xiàn )害忠良，朝野内外(wài )噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流(liú )亡(wáng )剑客挺身而出，接连铲(chǎn )除东厂数名奸佞，致令阉贼胆战心惊。适值此时(shí )，风头正劲的西厂