明朝成化年间，朝(cháo )纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠(zhōng )良(liáng )，朝野内外(wài )噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流(liú )亡剑客(kè )挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉(yān )贼胆战(zhàn )心惊。适值此时，风头正(zhèng )劲的(de )西厂(chǎng )