A disheveled man who wanders out of the desert, Travis Henderson (Harry Dean Stanton) seems to have no idea who he is. When a stranger manages to contact his brother, Walt (Dean Stockwell), Travis is awkwardly reunited with his sibling. Travis has been missing for years, and his presence unsettles Walt and his family, which also includes Travis's own son, Hunter (Hunter Carson). Soon Travis must confront his wife, Jane (Nastassja Kinski), and try to put his life back together.

Two teenagers share a profound, magical connection upon discovering they are swapping bodies. Things manage to become even more complicated when the boy and girl decide to meet in person.