有着冷漠杀神封号的燕国(guó )七皇(huáng )子颜(yán )曦，征(zhēng )战齐国一举剿灭，并且带走亡(wáng )国的小(xiǎo )公主桃小薇，五(wǔ )岁(suì )萌娃桃(táo )小薇进(jìn )入王府后，搅得王府上下鸡犬(quǎn )不宁，冷血王爷首次体验养娃艰辛，对桃小薇照顾的无微不至。二人打打闹闹，彼此成长(zhǎng )