明朝成化年间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉(chán )。时有赵怀安（李连杰 饰）等(děng )流亡(wáng )剑客(kè )挺(tǐng )身(shēn )而(ér )出，接连铲除(chú )东厂数名奸佞，致令阉贼胆战心惊(jīng )。适值(zhí )此时(shí )，风头正劲的西厂