Naval Cadets, Charge!(1988)

Naval Cadets, Charge! is a Soviet adventure series following three naval cadets who stumble upon a stolen secret diary belonging to Bestuzhev, Russia's vice-chancellor. The document is dynamite—if it reaches foreign hands, it could cripple the nation. The cadets race to return the papers to their rightful owner, but they're not alone in the hunt. Rival factions close in, each with their own dangerous agenda. Caught between duty and survival, the young sailors must outwit their pursuers and protect Russia's secrets. This tense cat-and-mouse game tests their courage, loyalty, and ingenuity as they navigate treacherous waters both literal and political.