For twenty-three years now, Alyona Shapovalova has lived in a strong, prosperous marriage with her husband Sergey. She has an adult son, an interesting job at a dance studio, and a completely settled, peaceful life. But she is haunted by the feeling that Sergey is hiding something. Investigating minor inconsistencies, Alyona gradually discovers that her husband has a young mistress and a child. Now all the masks have been torn away, and Alyona’s familiar world has been completely destroyed. Will she be able to cope with the pain and find her spot in life again?