有着冷漠杀神封(fēng )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(zhǔ )桃小(xiǎo )薇(wēi )，五岁萌娃桃小薇进(jìn )入王府后，搅(jiǎo )得(dé )王府上(shàng )下鸡犬不宁，冷血王爷首次体验养(yǎng )娃艰辛，对(duì )桃小薇照顾(gù )的无微不(bú )至。二人打打闹闹，彼此(cǐ )成长