明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为(wéi )宦官把(bǎ )持(chí )，混(hún )淆(xiáo )黑白，陷害忠(zhōng )良，朝野内外噤若寒(hán )蝉。时有赵(zhào )怀安（李连杰 饰）等流亡(wáng )剑(jiàn )客挺身而出(chū )，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战(zhàn )心惊(jīng )。适值此时，风头正劲的(de )西厂