有着冷漠杀神封号的燕国七皇子(zǐ )颜曦，征战齐国一举剿(jiǎo )灭，并且(qiě )带走亡国的小公主桃(táo )小薇，五岁萌娃桃小薇进(jìn )入(rù )王府后，搅得(dé )王府上(shàng )下鸡犬不宁，冷血王爷首次体验养娃艰(jiān )辛，对桃(táo )小薇照(zhào )顾的无微不至。二人打打闹闹(nào )，彼此(cǐ )成长