有着冷漠杀神封号的燕国七皇子颜(yán )曦，征战齐(qí )国(guó )一举剿(jiǎo )灭，并且带走亡国的小公(gōng )主(zhǔ )桃小薇，五岁(suì )萌娃桃(táo )小薇进入王府后，搅得王府上(shàng )下鸡犬不宁，冷血王爷首(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(cǐ )成长