有着(zhe )冷漠杀神封号的燕国七皇子颜曦，征战齐国(guó )一举剿灭，并(bìng )且带走(zǒu )亡国的小公主桃小薇，五(wǔ )岁萌娃(wá )桃小薇进入王府后，搅(jiǎo )得王府上下(xià )鸡犬不(bú )宁，冷血王爷首次体验养娃艰辛，对(duì )桃小薇(wēi )照(zhào )顾(gù )的无微(wēi )不至。二人打打闹(nào )闹，彼此成长