Continuation of the book “Case 581-14/ODCh – Dangerous for humanity.” The eighties of the fifth century of the Space Age are coming to an end. Another crisis has passed and, it seems, the Trade Union can breathe easy. ULK "Zarya" has returned to the parking orbit, and the paratroopers from the "Tornado" are again receiving blows from the sergeants in training camps. But is it really so calm in endless space? Someone decides on unheard of impudence by attacking a research group from Mars in a sector controlled by the Union. The event is unprecedented: everyone knows that Mars quickly and harshly responds to the assassination attempt on its own citizens. The Martian investigative team will have to look for answers to many questions. Including - to find out what relation the special detachment of the KBM "Memory" has to everything that is happening and how Inge Sonel and Tim Naydenov are involved in everything that is happening...