明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东厂为宦官把持，混(hún )淆黑白，陷(xiàn )害忠良，朝野内外噤(jìn )若寒(hán )蝉。时有赵怀安（李连杰 饰）等流(liú )亡剑客挺身而出，接连(lián )铲(chǎn )除东厂(chǎng )数(shù )名奸佞，致令阉贼胆战心惊。适(shì )值(zhí )此时，风头正劲的西厂(chǎng )