Wild Card Willie brings to life the American frontier, as sixteen year-old Willem Hawkins embarks on a perilous adventure, a job riding mail for the Pony Express, where only the best and bravest need apply. With the help of the Shoshone, an old war hero, a vaquero, and a curly haired horse, Willem sets out to prove he's tough enough to make the cut and fast enough to stay alive! With six siblings to feed and the family farm at stake, he can't afford to lose!