Everyone has heard the sensational story about the recently burned down nursing home. Many innocent old people, as well as one of the nurses, died in the fire. According to the director of the nursing home, it was this nurse who was to blame for the fire. But the son of the deceased is sure of something else. He knows: in fact, the fire was started by the headmistress and the guard, and his mother tried to save her charges from the fire, for which she paid. He asks the city's well-known champion of justice, Polina Kazakova, better known as Miss Robin Hood, to rehabilitate an innocent woman and punish the criminals...