The 1854 Wyoming historical drama is based on Tom Shell's adaptation of the true life memoirs of Pony Express rider Nick Wilson. The 1854 Wyoming historical drama is based on Tom Shell's adaptation of the true life memoirs of Pony Express rider Nick Wilson. The 1854 Wyoming historical drama is based on Tom Shell's adaptation of the true life memoirs of Pony Express rider Nick Wilson. The 1854 Wyoming historical drama is based on Tom Shell's adaptation of the true life memoirs of Pony Express rider Nick Wilson.