From the experience of the war in Nicaragua in the 80's, the last director of information and analysis of the KGB, Nikolai Leonov, General Cuban intelligence, Fabian Escalante, and the Sandinista intelligence chief, Lenin Cerna, explain the role played in the operations, covert activities and the effects of the crisis in the USSR in the conflict, along with other evidence such as Eden Pastora, Boris Kolomiakov, Juan Jose Ubeda and Vincent Chavez.