明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪(xié )当道。西(xī )厂东厂为宦官(guān )把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉(chán )。时(shí )有赵怀安（李连杰 饰(shì )）等流亡剑客(kè )挺身而出，接连铲除(chú )东(dōng )厂数名奸佞，致令阉贼胆战心惊(jīng )。适值此时，风头(tóu )正劲的西厂(chǎng )