生活在海边小镇的向洋表面上是一个平凡青年，实际上却是一条流落人间的人鱼，他从小被向三爷收养，一直渴望能够回归族群。人鱼一族有个秘密，那就是天生双性，唯有遇到真爱后才能固定性别。白天向洋是个不起眼的卖鱼小哥，晚上他却能化身为青春靓丽的萌妹。缘分捉弄，向洋的爱情大门一次性被两个人敲响，一个是小镇镇花陆佳佳，一个是纨绔富二代付尔岱，究竟向洋会被谁打动？固定何种性别？一场别开生面的爆笑追爱之旅即将开启……
故事讲述了康福药厂老厂长的突然离世，其拥有的一颗“百年野参王”引得众人觊觎。三个各怀心思的男人，阴差阳错之下组成了“侠盗联盟”，与跨国雌雄大盗展开了一番土洋味儿十足的“夺参”对决。却不曾想真正的幕后操盘手正在默默注视着一切...
A wealthy young man is conned into staging a fake kidnapping in order to be a hero and win the affection of a girl he's madly in love with. But when one of the hired kidnappers is accidentally killed during the charade, he's forced to actually save her life while not revealing that it's been a ruse all along.
