Kind and sensitive Olya works as a kindergarten teacher. She selflessly loves her husband and dreams of her own children. But there is a secret behind the peaceful family facade. Denis's husband has been leading a double life for a long time - his son is growing up on the side, and only his wife's money keeps him in the family. When the deception is on the verge of being exposed, Denis and his mistress embark on the implementation of a terrible plan that almost took Olya's life.