明朝成化年间，朝纲腐败，奸邪当(dāng )道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉(chán )。时有赵(zhào )怀安（李连杰 饰）等流亡剑(jiàn )客挺(tǐng )身而出，接连铲除东厂(chǎng )数名奸佞，致(zhì )令(lìng )阉贼(zéi )胆(dǎn )战心惊。适值此时，风头正(zhèng )劲的西厂(chǎng )