有着冷漠杀(shā )神封号的燕国七皇子颜曦，征战齐国(guó )一举剿灭，并(bìng )且带(dài )走亡国的小公主(zhǔ )桃小薇，五岁萌娃桃小薇进入(rù )王府(fǔ )后，搅得(dé )王府上下鸡(jī )犬(quǎn )不宁，冷(lěng )血王爷首(shǒu )次体验养娃艰辛，对桃(táo )小薇照顾的无微不(bú )至。二人打打闹闹，彼此成长