明朝成化年间，朝纲腐(fǔ )败，奸邪当(dāng )道。西厂东厂为宦官(guān )把持，混淆黑(hēi )白，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡(wáng )剑(jiàn )客挺身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉(yān )贼胆战心惊。适值此(cǐ )时(shí )，风头正(zhèng )劲的西厂