明朝(cháo )成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑白，陷害忠(zhōng )良，朝野(yě )内外噤若寒蝉。时有赵怀(huái )安(ān )（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂(chǎng )数名奸佞，致令阉贼胆战(zhàn )心惊。适值此(cǐ )时，风头正(zhèng )劲的西厂