有着冷漠(mò )杀神封号的燕国七皇子颜曦，征(zhēng )战齐国一举剿灭，并(bìng )且(qiě )带走亡国的小公主桃小薇，五岁萌娃桃小(xiǎo )薇进入(rù )王府后，搅得(dé )王府上下(xià )鸡犬不宁，冷血王爷首次体验养娃艰(jiān )辛，对桃小薇照(zhào )顾的无微不(bú )至。二人打打闹闹，彼此(cǐ )成长(zhǎng )