明朝成化年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀安（李(lǐ )连杰(jié ) 饰）等流亡剑(jiàn )客挺身而出，接连铲(chǎn )除(chú )东厂数(shù )名奸佞，致令阉贼胆(dǎn )战(zhàn )心惊。适值(zhí )此时(shí )，风头正劲的西(xī )厂