有着冷漠杀神封号的燕国(guó )七皇子颜(yán )曦，征战齐国一举剿灭，并(bìng )且带(dài )走亡国的小公主桃小薇，五岁萌娃桃小薇进入王府(fǔ )后，搅(jiǎo )得王府上(shàng )下(xià )鸡犬不宁，冷血王(wáng )爷首(shǒu )次体验养娃艰(jiān )辛，对(duì )桃小薇照(zhào )顾的无微不至。二人打打闹(nào )闹，彼此成长