明(míng )朝(cháo )成(chéng )化年间，朝(cháo )纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒(hán )蝉。时(shí )有赵怀(huái )安（李连杰 饰）等流亡(wáng )剑客挺身而出，接连铲除东厂数(shù )名奸佞，致令阉贼(zéi )胆战(zhàn )心惊。适值此时(shí )，风头正劲的西厂