Private detectives also have toothaches. This simple truth was revealed to the great detective Tatyana Ivanova at her friend’s birthday party. One of the guests, a certain Olkhovsky, turns out to be a dentist. He promises Tane help, but… asks her to immediately find a suitcase with seven kilograms of gold that has gone missing from the safe of the head doctor of their clinic. But even before she visits that God-fearing place and starts searching for the mysterious suitcase’s trail, Olkhovsky is murdered. The case is indeed serious, Taya decides—and begins her investigation by questioning the clinic staff. One of them shows her… the suitcase with gold. So did the suitcase disappear at all? And how many such suitcases do they even have? The glint of gold immediately attracts bandits. And Tatyana… turns out to be the police’s main suspect in this matter…