The Russian detective series "Sleepers" is a story that unfolds in the Russian capital in 2013. The atmosphere in the Middle Eastern countries is extremely tense, accompanied by complications in the foreign policy situation in European states. Under the leadership of General Nefedov, the law enforcement officers begin their investigation. The son of a military officer died during an attack on diplomats. Colonel Rodionov, who was part of the evacuation team in Libya, joins Nefedov's team.