明朝成化年间，朝纲腐(fǔ )败，奸邪(xié )当道。西厂东厂为宦官把持，混(hún )淆(xiáo )黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时(shí )有(yǒu )赵怀安（李(lǐ )连杰 饰）等流亡(wáng )剑客挺身而出，接连(lián )铲除东厂(chǎng )数名奸佞，致令(lìng )阉贼胆战心(xīn )惊。适值此(cǐ )时，风(fēng )头正劲的西厂