A girl called Masha is detained with the homeless and is brought to the police station. Her exquisite manners and expensive ring does not fit in with the tramp fate. But the girl remembers nothing about her past and does not know how she got to the street.
Soon they manage to identify the stranger, but the information shocks the police. According to official data, Masha died in a fire and was buried long time ago. The investigation has to unravel the wily criminal plot.