Mara, a New York City street musician, has had horrible luck with men, including the death of her college boyfriend. Horton, a young fisherman in Truro, is troubled by an incident in his past. Randy, a retired New York City school teacher, has recently lost his partner of 30-plus years, and is haunted by his one big regret in life. Ernie, a retired plumber from the south side of Boston who has been living a lie his entire life, moves to Wellfleet for the oysters, and finds he has a knack for making birdhouses. Serendipitously, they all end up in the summer at the tip of Cape Cod in beautiful,...