有着冷漠杀神封号的燕国七皇子(zǐ )颜曦，征战齐(qí )国(guó )一举剿灭，并(bìng )且带走亡国的小公(gōng )主桃小薇，五(wǔ )岁萌娃桃(táo )小薇进入王府后，搅得王府上(shàng )下(xià )鸡犬不宁，冷(lěng )血王爷首次体验养(yǎng )娃艰辛，对(duì )桃小薇照(zhào )顾的无微(wēi )不至。二人(rén )打打闹闹，彼此成长