有着冷漠杀神封号的燕(yàn )国(guó )七皇子颜曦，征战(zhàn )齐国一举剿灭，并且带(dài )走亡国的小(xiǎo )公(gōng )主桃小薇，五岁萌娃桃小(xiǎo )薇进(jìn )入王府后(hòu )，搅得(dé )王府上下鸡犬不宁，冷血王爷(yé )首次体验养娃艰辛，对(duì )桃(táo )小薇照顾的无微不至。二(èr )人打打闹(nào )闹，彼此成长