有着冷(lěng )漠(mò )杀神封号的燕国七皇子颜曦(xī )，征战齐国一举剿灭，并(bìng )且带走亡国(guó )的小(xiǎo )公主桃小薇，五岁萌娃(wá )桃小(xiǎo )薇进入王府后，搅得王府上下(xià )鸡犬不宁，冷血王爷首次体验养娃艰辛，对桃(táo )小薇照顾(gù )的无微不(bú )至。二人打打闹闹，彼此(cǐ )成(chéng )长(zhǎng )