有着(zhe )冷漠杀神封号(hào )的燕国(guó )七皇子颜曦，征战齐国(guó )一(yī )举剿灭，并(bìng )且带走亡国的小公主桃(táo )小(xiǎo )薇，五岁萌娃桃(táo )小薇进(jìn )入(rù )王(wáng )府后，搅(jiǎo )得王府上下鸡犬不宁，冷血王爷首(shǒu )次体验养娃艰辛，对桃小薇照顾的无微(wēi )不至。二人打打闹闹，彼此成长