Two resourceful brothers and their schoolmates set out for the western prairies after news of a mountain treasure, encountering a mysterious stranger, a railroad wreck, and a pursuit that leads them to a remote ranch and Golden Peak. The plot alternates action scenes—rescues, chases, camping, and a dramatic cloudburst—with practical problem solving as the party recovers gold, confronts danger, and survives rising waters that leave them marooned. Episodes emphasize teamwork, quick thinking, and outdoor skills while tension builds from hidden motives and menacing followers until the final escape from the flooded slopes.