明朝成化年间，朝纲腐(fǔ )败(bài )，奸(jiān )邪当道。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤若寒(hán )蝉。时有赵怀(huái )安(ān )（李连杰 饰）等流(liú )亡剑客挺身(shēn )而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆战心惊。适值此时，风头(tóu )正劲的西厂