The Hardy Boys: The Mystery of the Applegate Treasure (1956)

Sons of the great detective Fenton Hardy, Frank and Joe are eager to impress their father with their mystery solving skills. When an opportunity comes to help prove the new kid in town as innocent and find the long lost Applegate treasure, they jump on it. We follow the boys' case as they discover new twists and turns in the new case and in the mystery of the 10 year missing treasure.