有着冷漠杀神封号(hào )的燕(yàn )国七皇子颜曦，征战齐国一举剿灭，并(bìng )且带走(zǒu )亡国(guó )的小(xiǎo )公主桃小薇，五岁萌娃(wá )桃(táo )小薇进入(rù )王府后，搅得(dé )王(wáng )府上下鸡犬不宁，冷血王爷首次体(tǐ )验养娃艰辛，对桃小薇照顾的无微不至。二人打打闹闹，彼此成长