有着冷(lěng )漠杀神封(fēng )号的燕国七皇子颜曦，征战齐国一举剿灭，并且带走亡国的小(xiǎo )公主桃(táo )小薇，五(wǔ )岁萌娃桃小薇进入(rù )王(wáng )府后，搅(jiǎo )得(dé )王府(fǔ )上(shàng )下鸡犬(quǎn )不宁，冷血王爷首次体验养娃艰辛，对(duì )桃小薇照顾的无微不至。二人打打闹闹，彼此成长