You can never predict how a journey will end… Tasha sets off on her last vacation on a Volga river steamboat, firmly convinced that she’ll never see the blue river, the white clouds, the green banks again. She makes herself a promise: nobody will be allowed to spoil her trip… But almost immediately everything goes wrong. Who is spying on the society beauty Ksenia Novitskaya? What is the blogger Bogdan planning? And who are Stepany Petrovich and Vladimir Ivanovich—close friends of hers? On the very first evening overboard fall a man and a dog, and Tasha bravely and recklessly jumps after them. And that’s only the beginning of strange and ominous events. The elderly Rozalia Karlovna discovers her suitcase with jewels is missing, and then the ship’s doctor is murdered. Tasha feels it’s terribly important to understand what’s happening—to be able to live on. Stepany Petrovich comes to her help. He takes tender care of her, and then it becomes clear: there is no such thing as universal loneliness—she isn’t alone anymore. Wonderful people are near, and love protects her from all sides…