During the Great Patriotic War, battalion commander Pavel Akimov fell in love with the military translator Anechka Belozerova, but the circumstances of military life separated them.

Brave boys, known as taehniks, embark on a perilous quest to find a long-abandoned copper mine, despite facing numerous obstacles. Their journey takes a dangerous turn when they clash with an illegal claimant to the mine, the cunning hunter Anikin.