False Paradise (1948)

After Bentley sells Professor Larson a worthless ranch, Hoppy tells banker Waite there is silver on the ranch. Waite tells Bentley and Bentley tries to buy it back. When he fails, Waite lends money to finance a mine but puts a 30 day due date on it. Hoppy takes over running the mine but Bentley puts his henchman to work to make sure the venture fails.