有着冷漠杀神封号的燕国七皇子颜曦，征(zhēng )战齐国一举剿灭，并且带(dài )走亡(wáng )国的小(xiǎo )公主桃小薇，五(wǔ )岁(suì )萌娃桃小(xiǎo )薇进入王府后，搅(jiǎo )得王府(fǔ )上下鸡犬不宁，冷血王爷首次(cì )体验养娃艰(jiān )辛，对桃小(xiǎo )薇照顾的无微不至。二人打打(dǎ )闹(nào )闹，彼此成长