Important documents that could seriously compromise its CEO have disappeared from a large trading company. Private detective Tatyana Ivanova searches and finds out the following. The papers were stolen by the former mistress of the head of the company and handed over the materials to a reporter so that he could prepare a devastating article in the newspaper. Tatyana goes to the journalist and finds his corpse. The matter turned out to be much more complicated: now Ivanova realized that she was not the only one who was hunting for these documents...