If in the second half of the 20th century, along with technological progress, there is witchcraft officially recognized by science, the owner of magical power can get a very good life in life. For example, he is capable of being a well-paid soothsayer or a private detective who accurately identifies a criminal. However, the criminal can also use the services of a magician, and then the investigation will inevitably become more complicated... The rich and crazy elderly werewolf lady Hilda wants to destroy the world boxing champion Gerald Powers, the husband of her relative Leonie, because he is a mere mortal, and Hilda believes this marriage is a personal insult to oneself. To carry out these plans, she insidiously rewrites her will in the name of Gerald - so that all other heirs, hereditary magicians, bypassed in the will, will do everything possible and impossible to eliminate the upstart mortal. A deadly intrigue begins to swirl around Powers, in which many notable figures participate - from a general from the Pentagon and the chief of Australian intelligence to representatives of the Israeli intelligence services and the first secretary of the Soviet embassy in London...