有着冷漠(mò )杀神封号(hào )的燕(yàn )国七皇子颜曦，征战(zhàn )齐国一举(jǔ )剿灭，并且带走亡国的小(xiǎo )公主桃小薇，五(wǔ )岁萌娃桃小薇(wēi )进入王府后，搅得王(wáng )府上(shàng )下鸡犬(quǎn )不宁，冷血王(wáng )爷首次体验养(yǎng )娃(wá )艰辛，对桃(táo )小薇照顾的无微不至。二人打打闹闹，彼此成长