明(míng )朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把(bǎ )持，混(hún )淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉(chán )。时(shí )有赵怀安（李连杰(jié ) 饰）等流亡剑客挺(tǐng )身而出，接连铲除(chú )东厂数名奸佞，致令阉贼胆战心惊。适值此(cǐ )时(shí )，风头正劲的西厂(chǎng )