The story of An Xi Da, a rescue team member of Xingyue Bay, who was mistaken as a Mermen by travel columnist Shen Mu Xin. After many hilarious encounter, they resolve the misunderstanding. The two worked together to uncover the mystery and found love in the process.

从小受「迷你鸟」所苦的游泳选手曾和轩，在爱情与性事上始终毫无进展。在经历比赛时泳裤脱落，「迷你鸟」意外成为众人焦点一个月后，受到好友山木鼓励的和轩终于鼓起勇气重回泳池，却在此时遇上曾经迷恋自己的学弟小冯… 这次，和轩能摆脱「迷你鸟」的宿命，得到幸福吗？

A young gay man navigates the nightlife of Taipei, its thrills and heartbreaks, dangers and dreams, in this coming-of-age saga.