The main character of the detective series "The Traumatized" is Dmitry Chistyakov, a commander of a special forces unit. The man has numerous glorious victories and important achievements to his name, but during one of the operations, he suffers a traumatic brain injury. The hero develops an inoperable tumor and is forced to leave the service. However, this man cannot live without honor and adventure. An old friend helps him get a job in the criminal police... and immediately after that, mysteriously dies. Dima takes on his first investigation.