The main character is Stesha, a chocolatier. Her twin sister, Lera, passes away, which forces Stesha to return to her hometown. No one in the family, neither her mother nor her brother-in-law, welcomes Stesha warmly. It turns out that, after leaving, she rarely communicated with her family.
After the funeral, Lera starts appearing to Stesha as images, visions, and dreams. She becomes an uncomfortable companion to her sister, acting as her conscience. Lera reminds her sister of the past, of her estrangement from the family in recent years, and of the broken bonds.
The mutual resentments between Stesha and her mother hinder them from truly being there for each other during this difficult period. Each of them experiences it alone in their own way. Lera and Mitya's daughter, Nastya, is the only one who wholeheartedly accepts Stesha. However, Nastya believes that Stesha is her real mother and does not notice any substitution. Over time, Stesha starts to replace Nastya's mother and even tries to fill the void left by Lera in Mitya's life. This is her own way of coping with grief. She has always envied the fact that Lera had a family, and now she can try to experience what it is.