有着冷漠杀神封号的燕(yàn )国七皇子颜曦，征(zhēng )战齐国一举剿灭，并且带走亡国的小公主桃小薇，五岁萌娃桃小薇进入王府后，搅得王府上(shàng )下鸡(jī )犬(quǎn )不宁，冷血王爷首(shǒu )次(cì )体验(yàn )养娃艰(jiān )辛，对桃(táo )小薇照顾的无微(wēi )不至。二人打(dǎ )打闹闹，彼此成长