明朝成化年(nián )间，朝纲(gāng )腐败(bài )，奸(jiān )邪当道。西厂东厂为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身(shēn )而出，接连铲除东(dōng )厂(chǎng )数名奸佞，致令阉(yān )贼(zéi )胆战心(xīn )惊。适值此时，风头正劲的西厂(chǎng )