Peggy and Drew, both aspiring writers, move to an isolated canal boat with their fourteen-year-old son. But when Drew becomes frustrated by his wife's sudden writing success, he moves their boat further and further from civilization. With their increasing isolation, personal challenges become harder to ignore, even as they desperately try to break toxic generational patterns. But when Drew's gaslighting becomes too much for Peggy to take, it sets off a catastrophic series of events.