Tonya Dukhanina, the only daughter of the owner of a chain of grocery stores, marries for love. But, alas, the happiness turned out to be short-lived - her fiancé Anatoly Mertsalov was killed during their honeymoon; he was thrown out of his own car while driving. At first, the suspicion of the police and investigator Alexander Napoleonov falls on the competitors of the groom's father, whom he mercilessly ruined. But the mother of the murdered man does not believe this and hires private detectives Miroslava Volgina and Maurice Mindaugas. They find out that the deceased was a great lover of women and was distinguished by his fickleness, so that he made many enemies in the form of abandoned women and their fiancés and husbands...