有着冷(lěng )漠杀神封号的燕国七皇子颜曦，征战齐(qí )国一举剿(jiǎo )灭，并且(qiě )带走亡国的小(xiǎo )公(gōng )主桃小(xiǎo )薇，五岁萌娃桃(táo )小(xiǎo )薇进入王府后，搅得王府上下鸡犬不宁，冷血王爷首(shǒu )次体(tǐ )验养娃(wá )艰辛，对(duì )桃小薇照顾的无微不至(zhì )。二人打打闹闹，彼此成长