有着(zhe )冷(lěng )漠杀神封号的燕国七皇子颜(yán )曦，征战齐国一举剿灭，并(bìng )且带(dài )走亡(wáng )国的小公主桃小薇，五岁萌娃桃小薇进入王府(fǔ )后，搅(jiǎo )得王府上下(xià )鸡犬不宁，冷血王爷首(shǒu )次体验养娃艰辛，对桃小薇照顾的无(wú )微(wēi )不至。二人打打闹(nào )闹，彼此成长(zhǎng )