有着冷漠杀神封号的燕(yàn )国七皇子颜曦，征(zhēng )战齐国一举(jǔ )剿灭，并(bìng )且带走亡国的小(xiǎo )公主桃小薇，五岁萌娃桃(táo )小(xiǎo )薇进(jìn )入王府后，搅得王府上下鸡犬不(bú )宁，冷血王爷(yé )首次体验(yàn )养(yǎng )娃艰辛，对桃小薇照(zhào )顾的无微不至。二人打打闹闹，彼(bǐ )此成长