Everyone in Hungary remembers the most heinous murder of the 70s, of which the victim was a striking nurse from a small rural town hospital. In whose interest would it be to brutally stab a not especially financially able hospital nurse? It is logical to look among the young lady's relationships with men first. In fact, several suspects belong to that circle. Just the same, the investigation stood still for a long period of time, and it became increasingly more apparent that light will never be shed upon the motivation and the identity of the killer. But the ready-to-retire inspector, who is a dedicated fisherman, finally stumbles upon a clue no one counted on.