明朝成化年间，朝纲(gāng )腐(fǔ )败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野(yě )内外(wài )噤若寒蝉。时(shí )有(yǒu )赵怀安（李连杰 饰(shì )）等流亡剑客挺身而出，接连铲除东厂(chǎng )数名奸(jiān )佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正(zhèng )劲的西厂