明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当(dāng )道。西厂东厂为宦官(guān )把持，混淆黑白，陷害忠良，朝野内(nèi )外(wài )噤若寒蝉。时有赵(zhào )怀安（李连杰(jié ) 饰）等流(liú )亡剑(jiàn )客挺身而出(chū )，接连铲除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正劲的西(xī )厂(chǎng )