明朝成化年间，朝纲腐败，奸邪当道。西厂(chǎng )东(dōng )厂为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤(jìn )若寒蝉。时有赵怀安（李连杰 饰）等流(liú )亡剑客挺身而出，接连铲(chǎn )除东厂(chǎng )数名奸佞，致(zhì )令阉(yān )贼(zéi )胆战心惊(jīng )。适值此时，风(fēng )头正劲的西厂