明朝成化年间，朝纲腐(fǔ )败，奸邪(xié )当道。西厂(chǎng )东厂为(wéi )宦官把持，混淆黑白，陷害(hài )忠良，朝(cháo )野内外噤若(ruò )寒(hán )蝉。时有赵怀安（李连(lián )杰 饰）等流亡剑客挺身(shēn )而出，接连铲除(chú )东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值(zhí )此(cǐ )时，风头正(zhèng )劲的西厂