In 1842 the first published image of the Rocky Mountains was drawn by Charles Preuss, perched atop a rock deep in the Wind River Range of Wyoming. This image, combined with John Fremont's expedition report, paved the way for the Great Western Expansion including the California Gold Rush and the Oregon Trail. Dr. Conrad Smith (Morfar) has spent a decade trying to locate the rock where Preuss sat to sketch the image. Morfar together with his daughter and granddaughter navigate an unexpected turn of events on the final expedition to verify the location and reproduce the image in photographic form.