明朝成化年(nián )间，朝纲(gāng )腐败，奸邪当道。西厂东厂为(wéi )宦官(guān )把持，混(hún )淆(xiáo )黑白，陷害忠良，朝野(yě )内外噤若寒蝉(chán )。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名(míng )奸佞，致令阉贼胆(dǎn )战心惊(jīng )。适值此时，风头正劲的西厂(chǎng )