When a Seattle bartender finds a horny merman in Lake Washington, he tries to be kind and let him down easy. Jamie's sick of taking home strays, and the needy merman pushes all his buttons. But when Jamie gets rejected by a longtime crush, he falls prey to the merman's wide-eyed adoration and killer body. But the selkie, Marin, has ulterior motives. He wants Jamie to help him impregnate his fertile wife, and soon Jamie's dragged into a situation he hadn't bargained for. Can Jamie get over his need to take care of every charity case that crosses his path? And can Marin man up and be the lover Jamie needs? Find out in Jamie's Merman!