有着冷漠杀神封号的燕国七皇子(zǐ )颜曦，征战齐(qí )国一举剿(jiǎo )灭，并且带(dài )走亡国(guó )的小公主(zhǔ )桃小(xiǎo )薇，五岁萌娃桃小薇进入王府后，搅得王(wáng )府上下鸡(jī )犬不宁，冷血王爷首(shǒu )次体(tǐ )验养娃(wá )艰辛，对桃(táo )小薇照顾的无微(wēi )不至。二人打打(dǎ )闹闹，彼此成长