明朝成化年间，朝纲腐败，奸邪当(dāng )道(dào )。西厂东厂为宦官(guān )把(bǎ )持，混淆黑白，陷害忠良，朝野内外(wài )噤若(ruò )寒蝉。时(shí )有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸(jiān )佞，致令阉贼胆(dǎn )战心惊(jīng )。适值此时，风头正(zhèng )劲的西厂