明朝成化(huà )年间，朝纲腐败，奸(jiān )邪当道。西厂东(dōng )厂(chǎng )为宦官(guān )把持，混淆黑白，陷害忠良，朝(cháo )野内外噤若(ruò )寒蝉。时(shí )有赵怀安（李连杰(jié ) 饰）等流(liú )亡剑(jiàn )客挺身而(ér )出，接连铲除东厂数名奸佞，致令阉(yān )贼胆战心惊。适值此(cǐ )时，风头正劲的西厂