Fanny, a shy and lonely teenager, goes on a language exchange to Germany. In Leipzig, she meets her pen pal, Lena, a teenager eager to become politically active. Fanny is troubled. To win over Lena, she invents a life for herself, to the extent of becoming trapped in her lies.
Fanny, a 17-year-old schoolgirl from France, goes on a language exchange trip to Germany. In Leipzig, she meets her pen pal Lena who is the same age as her and who is eager to become involved in political activism. In order to impress Lena, the rather shy and withdrawn Fanny invents a different life for herself – but she quickly becomes trapped in her deceit.