Kyiv is under the rule of the Bolsheviks, Europe is recovering from the Great War, Egypt's cabarets are luxuriating with nightlife, and Herr Friedrich leaves his pupils a will - a riddle that will lead them to the treasure. In order to fulfill the last will of the named father, the former pupils of the "Artemis" shelter gather again as a group and set off on a dangerous and adventurous voyage through the Mediterranean Sea. Each of them has their own experience of the war ...
