The spring of 1985. On instructions from the GRU, scout Yuri Nikitin enters the Pakistani Badaber fortress. Nikitin must gather evidence of the existence of a mujahideen training center under the leadership of the CIA. Having completed a dangerous mission, Nikitin sees in the fortress a group of Russian prisoners of war, among whom he recognizes his friend Mikhail, the son of his commander General Kolesov, who was considered missing for several years. Nikitin decides to stay and save the doomed children ....