明朝成化年(nián )间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官(guān )把持，混淆黑白(bái )，陷害忠(zhōng )良，朝野内(nèi )外噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客(kè )挺身而出，接连(lián )铲除东(dōng )厂(chǎng )数名奸佞，致令阉(yān )贼胆战(zhàn )心(xīn )惊。适值此时，风头正(zhèng )劲的西厂