Princess Salme of Oman and Zanzibar was raised in accordance with the strict customs of her ancestors, so she could only go out onto the roof of her house to enjoy the silence, coolness and stars with her face covered. But it turned out that under the cover of darkness all people are equally hidden from each other. That’s how they met: she was standing on the roof of her house, and he was standing at the window in his. In the darkness, Salme heard only the voice of her neighbor Heinrich Rüthe, an entrepreneur from Germany, and could speak frankly. Every day they became closer to each other and finally decided to see each other...