有着(zhe )冷漠杀神封号的燕国七皇子颜曦，征战(zhàn )齐(qí )国(guó )一举剿灭，并且带(dài )走亡国(guó )的小(xiǎo )公主桃小薇，五岁萌娃桃(táo )小薇进(jìn )入(rù )王府后(hòu )，搅得王(wáng )府上下鸡犬不宁，冷血王爷首次体验养娃艰辛，对桃小薇照(zhào )顾的无(wú )微不至(zhì )。二人打打闹闹，彼此成长