In the time since his parents' divorce, Stony hasn't had much to say to his father. It's not just the embarrassing things his father does in public, like picking fights with strangers on the golf course, needling his ex-wife about the car she drives, and asking girls whether they're attracted to Stony. Stony is headed for a New Hampshire vacation with his father, his sister, and his father's girlfriend, Sally. But at their very first stop to get a burger along the turnpike, Stony's father gets into an argument with a creepy-looking skinny guy and his huge friend. Sally calms Stony's father down, and the four of them drive away from the rest area---but not, it turns out, from the skinny guy and his friend.