有着冷漠杀神封号的燕国(guó )七皇子颜曦，征(zhēng )战齐国一举剿(jiǎo )灭，并且带(dài )走(zǒu )亡国的小(xiǎo )公主桃小薇，五岁萌娃桃(táo )小薇进入(rù )王(wáng )府后，搅得(dé )王府上下鸡犬不宁，冷血王爷首次体验养娃艰辛，对桃(táo )小薇(wēi )照顾的无微不至。二人打打闹闹(nào )，彼(bǐ )此成长