In a garden shed, Anne (12) packs her backpack and grabs a small cage. She then sets off alone for the big city. She is on an important mission and does not let the adults she encounters deter her. Determined, she follows her path, which leads her to the pigeons of the city. Finally she catches one of the pigeons and puts it in her cage. But what is she going to do with the pigeon? With the pigeon cage in her luggage, she continues her journey through the city to a pigeon rescue center. There she meets Ulli and her grandson Paul. Paul has been waiting for Anne and welcomes her with joy. The film ends with Paul giving Anne a new mission.