有着冷漠杀神封号的燕国七皇子颜曦，征战齐(qí )国一举剿灭，并(bìng )且带走(zǒu )亡(wáng )国的小公主桃小薇，五岁萌娃桃小(xiǎo )薇(wēi )进入王府后，搅得王府上下鸡犬(quǎn )不(bú )宁，冷血王爷首(shǒu )次体验养娃(wá )艰(jiān )辛，对桃(táo )小薇照(zhào )顾的无微不至。二人(rén )打打闹闹，彼(bǐ )此成长