明朝成化年(nián )间，朝(cháo )纲腐败，奸邪(xié )当道。西(xī )厂(chǎng )东厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰(shì )）等(děng )流亡(wáng )剑(jiàn )客挺身而出，接连铲除(chú )东厂(chǎng )数名奸佞，致令(lìng )阉贼胆战心惊。适值此时，风头正劲的西厂