有着冷(lěng )漠杀神封号的燕国七皇子(zǐ )颜曦(xī )，征战齐国一举剿灭，并(bìng )且带走亡国的小公主桃小薇，五(wǔ )岁萌娃桃(táo )小薇(wēi )进入王府(fǔ )后，搅得(dé )王府上(shàng )下(xià )鸡犬不(bú )宁，冷血王爷首次体验养娃艰辛，对桃(táo )小薇照顾的无微不至。二人打打闹闹(nào )，彼此成长(zhǎng )