The TV series "Version" tells the story of the secret capital Unit N, which investigates particularly complex criminal cases both in Moscow and beyond. The group consists of police officers and investigators with a controversial reputation, who were expelled from other government agencies for disobedience and official crimes. However, they are all true fighters for justice, for whom the truth is more important than the law. The unit is led by former rescuer from the Ministry of Emergency Situations, Viktor Pershin, and under his command are first-class specialists from all fields.