Andrew has seen a flash of his future. (Dad: unfinished PhD. Mom: unfulfilling career. Their marriage: unsuccessful.) Based on what he's seen, he's uninspired to put a foot on the well-worn path to the adulthood everyone expects of him. There must be another way around.
After a particularly disastrous Thanksgiving (his cousin wets Andrew's bed; his parents were too chicken to tell him his grandmother died), Andrew accidentally (on purpose) runs away and joins the circus. Kind of.
A guy can meet the most interesting people at the Greyhound station at dinnertime on Thanksgiving day. The Freegans are exactly the kinds of friends (living out of an ancient VW camper van, dumpster diving, dressing like clowns and busking for change) who would have Andrew's mom reaching for a third glass of Chardonnay. To Andrew, five teenagers who seem like they've found another way to grow up are a dream come true. But as the VW winds its way across the USA, the future is anything but certain.
The path of least resistance is a long, strange trip.