明朝成化年间(jiān )，朝纲腐败，奸(jiān )邪当(dāng )道(dào )。西厂东厂(chǎng )为(wéi )宦官把持(chí )，混淆黑白，陷害忠良，朝野(yě )内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客(kè )挺身而出(chū )，接连铲(chǎn )除东(dōng )厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此时，风头正(zhèng )劲的西厂