Bibi and Tina, The Millionaire

The Old Mill is to be rebuilt into a tourist attraction, in the middle of the forest! Bibi and Tina ride to Count von Falkenstein as quickly as possible, but he doesn't want to explain anything. It's unbelievable what they find out: a millionaire is planning a hotel complex and he also wants to buy the Martins Farm! Will the two friends be able to save the Farm?