有着冷漠杀(shā )神封号的燕国(guó )七皇子颜(yán )曦，征战齐国一举剿灭，并(bìng )且带走亡国(guó )的小公主桃小薇，五岁萌娃(wá )桃(táo )小薇进入(rù )王府后，搅得(dé )王府上(shàng )下鸡犬不宁，冷血王爷首次体(tǐ )验养娃(wá )艰辛，对(duì )桃小薇照顾的无微不(bú )至。二人打打闹闹，彼此成长