世外桃源“芳香之城”的公主苏凌芳（朱茵 饰）在城堡毁灭之前，被堡主放进小船顺水漂流，为教堂的神父所救并收养。身有奇异芳香的苏凌芳虽先天失语，但有着能用一个啊字感动世人的天籁之音。时间的残酷带走了神父，也随之埋葬了她谜一般的身世，独自生活的哑女无意间救下了父亲倒台躲避仇人追杀的80后富少蒋少君（扎西顿珠 饰）。身受重伤的蒋少君，在养伤期间爱上了这个不谙世事的女孩，许诺一生一世保护她。但久居世外的生活让他怀念起以往纸醉金迷的城市生活。一次和老欧（张达明 饰）无意的电话联系暴露了他的行踪，再次被仇家抓住囚禁起来。苏凌芳为了寻找到蒋少君，只身来到这个她未曾接触过的现实世界，几经破折终于和爱人在一起。起初想要利用苏凌芳天籁之音在娱乐圈东山再起的蒋少君，终于在真爱的洗礼下得到了灵魂的救赎，用着自己的方式保护着他所爱的这个女孩。Long time ago on the Hengduan Mountains, there was a place called The Aroma City. People there communicated by singing and passed messages using aromas. Many years later the city was burned down and a baby called Princess Su Ling Fang was saved from this terror by a Christian priest. Princess Su Ling fang falls in love with Jiang Shaojun, son of a supremely wealthy family. But as Jiang is no angel, there is an infernal contract out on his soul. Jiang unscrupulously manipulates love struck Princess Su and trades her beautiful voice for money. In the end, even though she knows Jiang has used her, Su Lingfang sacrifices her life to save Jiang's soul.
