Lay is vacationing on an island with a few of his friends when he comes across a stranded merman in a tide pool. He saves him and they become friends. As time wears on, their friendship grows and evolves into something else. But can they be together? A merman and a human?

When Li Taehyun goes looking through his parents closet for a bag that he needs, he finds more than he bargained for. He finds the truth of his birth. When he confronts his fathers, yes he has two fathers, they explain the truth. His Baba gave birth to him. Not only does he have two fathers but he has two fathers.