An intense look at the lives of the strong-willed daughters of the Weston family, whose paths have diverged until a family crisis brings them back to the Midwest house they grew up in, and to the dysfunctional mother who raised them.
14-year-old Joe is the only child of Jeanette and Jerry — a housewife and a golf pro — in a small town in 1960s Montana. Nearby, an uncontrolled forest fire rages close to the Canadian border, and when Jerry loses his job (and his sense of purpose) he decides to join the cause of fighting the fire, leaving his wife and son to fend for themselves.
When their plans for a nature trip go awry, Polly and boyfriend Seth decide to check into a motel. On their way, they're carjacked and kidnapped by low-rent crooks Dennis and Lacey, who take the victims and their SUV to a nearby gas station. Along the way, they encounter an increasingly terrifying horde of parasites, and if any of them intend to survive, they'll have to outsmart the deadly organisms.
