明朝成化年间，朝纲(gāng )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(liáng )，朝野内外噤(jìn )若寒蝉。时有(yǒu )赵怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲(chǎn )除(chú )东厂(chǎng )数名奸佞，致(zhì )令(lìng )阉贼胆战心惊。适值此时(shí )，风头正劲的西厂