The adventures of a Moscow auditor who has been transported from our time to the USSR continue. A vacation in Cuba tries to turn into something crazy, but Ivlev doesn’t give up and firmly intends to get all the necessary vitamins and pleasure out of it—for the whole family. He has no idea that his friends in Moscow are also taking certain steps to solve his problem with the Ministry of Foreign Affairs—and he makes his own move, deciding that Fidel Castro is perfectly capable of reaching an agreement with anyone in the USSR…