明(míng )朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若(ruò )寒蝉。时有赵怀安（李(lǐ )连杰(jié ) 饰）等流亡剑客(kè )挺身(shēn )而出，接连铲(chǎn )除(chú )东厂数名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲(jìn )的西厂