有着冷(lěng )漠杀神封号的燕国七皇子颜曦，征战齐国一(yī )举剿(jiǎo )灭，并(bìng )且带(dài )走(zǒu )亡国的小公主桃小薇，五岁萌娃桃小(xiǎo )薇进入王府(fǔ )后(hòu )，搅(jiǎo )得王府(fǔ )上(shàng )下鸡犬不宁，冷血王爷首次体(tǐ )验养娃艰辛，对桃(táo )小薇照(zhào )顾的无微不至。二人打打闹闹，彼此成长