Expectant first-time father Peter Highman looks forward to his new child's due date five days away. As Peter hurries to catch a flight home from Atlanta to be at his wife's side for the birth, his best intentions go completely awry. An encounter with aspiring actor Ethan Tremblay forces Peter to hitch a ride with Ethan on a cross-country trip that will ultimately destroy several cars, many friendships, and Peter's last nerve.