Contemporary Moscow. While riding her bicycle one day, Alyona, a shy librarian, accidentally collides with Liza, a dazzling blonde. When she wakes up in the hospital, she discovers that she and Liza have exchanged bodies.
A grieving widow is invited to her late husband's family estate, but when she is forced to stay until she gives birth, she must confront whether her child is cursed or if she is losing her mind.