明朝成化年间，朝纲(gāng )腐败(bài )，奸(jiān )邪当道。西厂东厂为宦官把(bǎ )持，混(hún )淆黑白，陷害忠良，朝野内外噤(jìn )若寒蝉。时(shí )有赵怀安（李连杰 饰）等(děng )流亡剑客(kè )挺身而出，接连铲除东厂(chǎng )数名奸佞(nìng )，致令阉贼胆战心(xīn )惊(jīng )。适值此时，风头正劲的西厂