Pyotr Andreevich Grinev leaves for service in Oremburg. But he does not expect that the fortress will be attacked, where he meets his love Marya Mironova, the daughter of the commandant. By the will of fate, he is saved. However, during the assault, the cadet dies, Marya Mironova remains one of the captives, now Grinev faces a difficult dilemma, he must save her, having neither an army nor strength.