明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂(chǎng )东厂为(wéi )宦官把持，混淆(xiáo )黑(hēi )白，陷害(hài )忠良，朝(cháo )野内外噤若寒蝉。时(shí )有赵怀安（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼(zéi )胆战(zhàn )心惊。适(shì )值此(cǐ )时，风头正劲的西厂