有着冷漠杀神封号的燕国七皇子颜曦，征战齐国(guó )一举剿灭，并且带(dài )走亡(wáng )国(guó )的小公主桃小(xiǎo )薇，五(wǔ )岁萌娃桃小(xiǎo )薇进入王府后，搅(jiǎo )得王府上下鸡犬(quǎn )不宁(níng )，冷血王爷首次(cì )体验养娃艰辛，对(duì )桃小薇(wēi )照(zhào )顾的无微不至(zhì )。二人打打闹闹，彼此成长