有着(zhe )冷漠(mò )杀神(shén )封号的燕(yàn )国七皇子(zǐ )颜曦，征战齐国一举剿灭，并且带(dài )走亡国的小公主桃小薇，五岁(suì )萌娃桃小薇进入(rù )王府后，搅得王府上(shàng )下(xià )鸡犬不宁，冷血王爷首次体验养娃艰辛(xīn )，对桃(táo )小薇照(zhào )顾的无微(wēi )不至。二人(rén )打打闹闹，彼此成长