Maria Frabova drops everything and rushes from her native village to Moscow as soon as she finds out that her pupil and nephew Oleg is under investigation. He is accused of assaulting a young girl. Maria raised Oleg like her own son and would never believe in his guilt. She is sure that the case is fabricated, and the investigators are not even trying to find the real culprit. She decides to find out the truth at all costs and therefore... kidnaps the injured girl from the hospital.