有着冷漠杀神封号的燕(yàn )国七皇子颜曦，征战齐国一(yī )举剿(jiǎo )灭，并且带走亡国的小公主桃(táo )小薇(wēi )，五岁萌娃(wá )桃(táo )小薇进(jìn )入王府后，搅得王府上(shàng )下鸡(jī )犬不宁，冷血王爷首(shǒu )次体验养娃艰辛，对桃小薇照顾的无微(wēi )不至(zhì )。二人打打闹闹，彼此成长(zhǎng )