有着冷漠杀神封号的燕国(guó )七皇子颜曦，征战齐国(guó )一举剿灭，并且带走亡国的小公主桃(táo )小薇，五岁萌娃桃小薇(wēi )进入王府后，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，对桃小薇照顾的无微(wēi )不(bú )至。二人(rén )打打(dǎ )闹闹，彼此(cǐ )成(chéng )长