When seventeen-year-old Graham Larkin accidentally sends seventeen-year-old Ellie O'Neill across the country an email about his pet pig, Wilbur, it sparks a humorous string of correspondence that lasts throughout one crazy summer. Ellie and Graham share much--but not all--about their lives, until one day Graham has the opportunity to travel to Ellie's hometown, with the chance to take their relationship into the personal world.