有着冷漠杀神封号的燕国七皇子颜(yán )曦，征战齐国一举剿灭，并(bìng )且带走亡国的小公主桃小(xiǎo )薇，五(wǔ )岁(suì )萌娃桃(táo )小薇进入(rù )王府后，搅(jiǎo )得王府上(shàng )下鸡犬不宁，冷血王(wáng )爷首次体验(yàn )养娃艰(jiān )辛，对桃小薇照顾(gù )的无微不至。二人打打闹闹，彼此(cǐ )成长