有着冷(lěng )漠杀神封号的燕(yàn )国七皇子颜曦，征战齐国一(yī )举剿灭，并且带走亡国的(de )小(xiǎo )公主桃小薇，五(wǔ )岁萌娃桃小薇(wēi )进入王府后，搅得王府上(shàng )下鸡犬不宁，冷血王爷(yé )首(shǒu )次(cì )体验(yàn )养娃(wá )艰辛，对桃(táo )小薇照顾的无微不至。二人打打闹闹，彼此成长