(translated) From the publisher
The federal agents of the section Medium are intervening throughout the country. Their job: harm drug traffickers ! Which give them a broad set of skills: drug trafficking, organized crime, kidnapping, murders, armed robberies, etc. But it doesn't stop here. These police office came from various origins and got put together for their surnatural powers. On the fringe of reality, the ghost world exists : the agents of the section Medium know it and know how to use it for their investigations.