有着冷漠杀神封号的燕(yàn )国七皇子颜曦，征战齐国一举剿灭，并且(qiě )带走亡国(guó )的小公主桃小薇，五岁萌娃桃(táo )小(xiǎo )薇(wēi )进(jìn )入(rù )王府(fǔ )后，搅(jiǎo )得王府(fǔ )上下鸡犬不宁，冷血王爷首次体验(yàn )养娃艰辛，对桃小薇照顾的无微(wēi )不至。二人打打闹(nào )闹，彼此成长(zhǎng )