A girl named Masha ends up in a police station, detained along with the homeless. Her refined manners and expensive ring don't match her vagabond fate at all. But the girl doesn't remember anything about her past and doesn't know how she ended up on the streets. Soon, the strangers manage to identify her, but the information shocks the police. According to official records, Masha died in a fire and was buried long ago. The investigation must unravel a cunning criminal plan.