The dream of a modest nurse Xenia about a wonderful life in a new place with a loved one is suddenly shattered by the news of her mother's serious illness. Xenia is forced to cancel her move abroad and look for money for an expensive operation. Left alone, homeless and jobless, she tries to do everything in her power.

Suddenly, she receives an offer to be a caregiver in the home of a wealthy widow, Olga Bolgova. Xenia gladly accepts the offer. The new house and its occupants frighten her at first, but later Ksenia gets used to it. She tries to make life at home and help Olga recover. Fortunately, at first she is doing well. But in fact, Xenia still does not understand what a dangerous game she was involved in ...