明朝成化年间，朝纲腐败(bài )，奸(jiān )邪当道(dào )。西(xī )厂东厂为宦(huàn )官把持，混淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰(jié ) 饰）等流(liú )亡剑(jiàn )客挺(tǐng )身(shēn )而出，接(jiē )连铲除(chú )东厂数名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂