The young widow Rose Sheldon, at the request of her grandmother, travels to Cairo in search of her missing cousin Alexander. On the ship, her attention is attracted by a mysterious gentleman in a white suit. He doesn't reveal anything about himself, but seems interested in Rose. In addition, he offers his help in finding his cousin. Rose is alarmed by this, but she loves adventure and danger, so she agrees to travel with a stranger. What Rose doesn’t know is that the gentleman is not who he says he is and that dangerous people are already on their trail who want to get rid of them. Literary treatment of the text by Ekaterina Polyanskaya.