有着冷漠杀神封号的燕国(guó )七皇子颜曦，征(zhēng )战齐国一举剿灭，并且带(dài )走亡国的(de )小公主桃小(xiǎo )薇，五岁萌娃桃(táo )小薇进入王府后，搅(jiǎo )得王府(fǔ )上下鸡犬不(bú )宁，冷(lěng )血王爷首次体验养娃艰辛，对桃小(xiǎo )薇照(zhào )顾的无(wú )微不至。二人(rén )打打(dǎ )闹闹，彼此成长