Valentina has worked for many years as a nanny and housekeeper at the Koretskys country house. Valyusha has unquestioned authority among the servants, the respect of the owners - Eleonora and Lev Borisovich - and their children. And recently, a new acquaintance Arkadiy began to look after her. But suddenly her ex-husband Valery returns to her life. He begins to blackmail Valentina, threatening to reveal the secrets of her past.