有着冷(lěng )漠(mò )杀神封(fēng )号的燕国七皇(huáng )子颜(yán )曦，征战齐国一(yī )举剿灭，并且带(dài )走亡国(guó )的小公主桃小薇，五岁萌娃桃小(xiǎo )薇进入王府后，搅得(dé )王(wáng )府上(shàng )下鸡犬不宁，冷血王爷首次体验养娃(wá )艰辛，对桃小薇照顾的无微不至。二人(rén )打打闹闹，彼此成长