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.
The story follows Boris, a charismatic tour guide who unexpectedly reunites with his estranged father Julián. Their tense and emotional encounters explore past wounds and the possibility of forgiveness.