明朝成化年(nián )间，朝纲(gāng )腐败，奸邪当道(dào )。西厂东(dōng )厂为宦官(guān )把持，混淆黑白(bái )，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵怀安（李连(lián )杰 饰）等流亡剑客挺(tǐng )身而出，接连(lián )铲(chǎn )除东厂数名奸佞，致令阉(yān )贼胆战心惊。适值此(cǐ )时，风头正劲的西厂(chǎng )