有着冷漠杀神封号的燕国七皇子颜曦(xī )，征战(zhàn )齐(qí )国一举剿(jiǎo )灭，并且(qiě )带走亡国的小公主桃小薇，五岁萌娃桃小薇进(jìn )入王府后，搅(jiǎo )得王(wáng )府上(shàng )下鸡犬不宁，冷血王爷(yé )首(shǒu )次体验养娃艰辛，对(duì )桃小薇照顾的无微不至。二人打打闹闹，彼此成(chéng )长(zhǎng )