The Yosemite Valley Railroad, which runs through the breathtaking scenery and stunning vistas of Yosemite National Park, is on the brink of failure. The grandson of a Chinese railroad laborer embarks on a romantic, but ultimately doomed, quest to save this railroad from being sold for scrap. His love of trains finds him working as a railroad-man, instead of at his father's profitable business. He manages to locate a wealthy eccentric investor to help him acquire the railroad, but its financial i...