有着冷漠杀神封号的燕(yàn )国七皇子颜曦，征战齐国(guó )一举(jǔ )剿灭，并(bìng )且(qiě )带走(zǒu )亡国的小(xiǎo )公(gōng )主桃小薇，五岁萌娃桃小薇进入王府后，搅得(dé )王府上下鸡犬(quǎn )不宁，冷血王爷首次体验养(yǎng )娃艰辛，对(duì )桃小薇(wēi )照(zhào )顾的无微不(bú )至。二人打打闹闹，彼此成长