明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪当道。西厂(chǎng )东厂为(wéi )宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时(shí )有赵怀(huái )安（李连杰 饰）等流亡剑客挺(tǐng )身(shēn )而出，接连铲除东厂(chǎng )数名奸佞，致令(lìng )阉贼胆战心惊。适值此时(shí )，风头正劲的西厂