有着冷漠(mò )杀神封号(hào )的燕(yàn )国七皇子颜曦，征战(zhàn )齐国一举(jǔ )剿灭，并(bìng )且带(dài )走亡国的小公主桃(táo )小薇，五(wǔ )岁萌娃桃小薇(wēi )进入王府后，搅得王府上(shàng )下(xià )鸡(jī )犬不宁，冷血王爷首次体验养娃(wá )艰辛，对桃小薇照顾的无微不至。二人打打闹闹，彼此(cǐ )成长