有着冷(lěng )漠杀(shā )神封号的燕国七皇子颜曦，征战齐国一举剿灭，并(bìng )且带走亡国的小公主桃小薇，五(wǔ )岁萌娃桃小(xiǎo )薇进入(rù )王府后，搅得王府上下鸡犬不宁，冷血王爷首(shǒu )次体验(yàn )养娃(wá )艰辛，对(duì )桃(táo )小(xiǎo )薇照顾的无(wú )微不至(zhì )。二人打打闹(nào )闹，彼此成长