Three more stories from the life of investigator Anton Romanov. Continuation of the book “The Personal Life of Anton Romanov”. Anton is in love with Masha, the girlfriend of his best friend. In an attempt to forget her, he first tries to win Isolde back. To do this, Anton goes to another city for the premiere of the play, where she plays the main role. Then Anton tries to throw himself into work and, without explaining anything to his friends, goes to the recreation center, where at that time women's training on personal development is taking place. One of the women at the training, according to Anton’s colleague, is a criminal, and Anton needs to figure out which of the women is involved in the crime...