明朝成化(huà )年间，朝(cháo )纲腐败，奸邪当道。西厂东厂(chǎng )为宦官(guān )把持，混淆黑白，陷害忠良，朝(cháo )野(yě )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 )厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂