有着冷漠杀神封号(hào )的燕国(guó )七皇子颜曦，征战齐国(guó )一举剿(jiǎo )灭，并且带走亡国的小(xiǎo )公主桃小薇，五岁萌娃(wá )桃小薇进入王府后，搅得王府上(shàng )下鸡犬不宁，冷血王爷首(shǒu )次(cì )体(tǐ )验养娃艰辛，对桃(táo )小薇照顾的无微不至。二人打打闹闹，彼此(cǐ )成长