有着冷漠杀神封号(hào )的燕国七皇子颜(yán )曦，征战(zhàn )齐(qí )国一举剿灭，并(bìng )且带走亡国(guó )的(de )小公主桃(táo )小薇，五岁萌娃桃小薇(wēi )进(jìn )入王府后，搅得王府(fǔ )上(shàng )下鸡犬不宁，冷血王爷首次体验养娃艰辛，对桃小薇照顾的无(wú )微不(bú )至。二人打打闹闹，彼此成长