明朝成化年间，朝纲(gāng )腐败，奸邪当(dāng )道(dào )。西厂东厂为(wéi )宦官把持，混淆(xiáo )黑白，陷害忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰(shì )）等流亡剑客挺身(shēn )而出，接连铲除东厂(chǎng )数(shù )名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂