Секрет дома с черными шторами

Have you ever seen a person without a shadow? Or a shadow without a person? Just yesterday, Nathaniel, like you, would have answered no. Definitely no! But today... Today, a Shadow walks around the house of Madame Swinstlow. Alone, without its owner. Nathan and his grandmother discovered it in the living room this morning. By the way, Nathan's grandmother is the housekeeper for Madame Swinstlow. And according to her stories, this is not the first oddity in this house - the house with black curtains! Nathan and his grandmother decide to investigate this mysterious affair to help the Shadow find its owner.