A Soviet cargo ship carrying medical opium gets attacked by pirates of an unknown nationality. The crew is left to die on a sinking ship but they manage to escape and now must fight the pirates for survival.
During the investigation of the Agra treasure case, Holmes and Watson recall another case that Holmes had investigated earlier. The King of Bohemia comes to Holmes under a false name, who behaves somewhat arrogantly at first, and then plaintively asks for help.
Intelligence-diversionary group of athletes who know how to shoot snipers, run, jump, feel free in the water and under water, to withstand the monstrous load of hand-to-hand fights, will be able to reach the goal only going together, passing the task as a relay. Seven of them. Among them is a girl swimmer. It will be the most difficult, the last stage of the journey. The plot is based on the real facts of the great Patriotic war.
