明朝成化年间，朝(cháo )纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤(jìn )若寒(hán )蝉。时有赵(zhào )怀安（李连杰(jié ) 饰）等(děng )流亡剑客挺(tǐng )身而出，接连铲(chǎn )除东厂数名奸佞，致(zhì )令阉贼胆战心(xīn )惊(jīng )。适值(zhí )此时，风头正劲的(de )西厂