Even on vacation, operative Leonid Somov can’t relax for a second. A trip to the warm sea in a Crimean sanatorium and a chance meeting on the beach with a strange woman, Viola, turned into a true nightmare for him. Viola begged Leonid to listen to her—she supposedly knows confidential information related to a criminal case from three years ago. But the girl didn’t manage to tell him anything. When Leonid visited her at the appointed time, he found her dead. Now no one will ever be able to hear her terrible secret, the one that took her to the grave. But the criminals think otherwise—and now the hunt has begun for Somov himself…