有着冷漠杀神封号的燕(yàn )国七皇子(zǐ )颜曦，征战齐国一举剿灭(miè )，并且带走亡国(guó )的小公(gōng )主(zhǔ )桃小薇，五岁萌娃桃小薇进入王府后，搅得(dé )王府(fǔ )上(shàng )下鸡(jī )犬不宁，冷血王爷首次体(tǐ )验(yàn )养娃(wá )艰辛，对(duì )桃小薇照顾的无微不至。二人打打闹(nào )闹，彼此成长