明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )把持，混淆(xiáo )黑白(bái )，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵(zhào )怀安（李连(lián )杰 饰）等流(liú )亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正劲(jìn )的西(xī )厂(chǎng )