In the New England town of Narrow Interior, 15-year-old cancer survivor Gomer Faithcutt prepares for the practical Junior Life Saving Test while exploring both his own sexuality and the spectral secrets of a forgotten religious sect that once flourished in the town. As his father worries about his son's health, Gomer learns about desire, friendship, and self-preservation. He glimpses who he can become because of (or despite?) his parents and forges a surprising connection with a mysterious neighbor.