明朝成化年间，朝纲(gāng )腐败，奸邪当(dāng )道。西厂东厂为宦官把持，混淆黑白，陷害忠(zhōng )良，朝野内外噤若寒(hán )蝉。时有赵怀安（李连杰(jié ) 饰）等流(liú )亡剑客(kè )挺身而出，接连铲除东(dōng )厂数名奸佞，致令(lìng )阉贼(zéi )胆战(zhàn )心惊。适值此(cǐ )时，风头(tóu )正(zhèng )劲的西厂