有着冷漠杀神封号的燕国七皇子颜曦，征战(zhàn )齐国一举(jǔ )剿灭，并(bìng )且带走亡国的小公主桃小薇，五岁萌娃桃小薇进入王府后，搅得(dé )王(wáng )府上(shàng )下鸡犬不(bú )宁，冷血王爷首(shǒu )次体验养娃艰辛，对桃小(xiǎo )薇(wēi )照顾(gù )的无微不至。二人打打闹(nào )闹，彼此成长(zhǎng )