有着冷(lěng )漠杀神封号的燕国七(qī )皇子颜曦，征战(zhàn )齐国一(yī )举剿灭，并且带走亡(wáng )国的小(xiǎo )公(gōng )主桃小薇，五(wǔ )岁萌娃桃小薇进入王府后，搅得王府上(shàng )下鸡犬不宁，冷(lěng )血王爷首(shǒu )次体验养娃(wá )艰辛，对桃(táo )小薇照(zhào )顾的无微不至。二人打打闹闹，彼此成长