有着冷漠(mò )杀神封号(hào )的燕国(guó )七皇子颜曦，征战齐国一举剿(jiǎo )灭，并且带走(zǒu )亡国的小(xiǎo )公(gōng )主(zhǔ )桃(táo )小薇，五岁萌(méng )娃(wá )桃(táo )小薇进入王府后，搅得(dé )王府上下鸡犬不(bú )宁，冷血王爷(yé )首次体验养娃艰辛，对桃小薇照顾的无微不至。二人打打闹闹，彼此成长