en Cuevana 3. The story presents the achievements of the Student Union Singers during the Rengasmatka revue, both on stage and off stage. The performance is organized to raise funds for the choir's trip to America, which is being organized by Risto and Kale. The evening is colored by travel tickets that have fallen into the wrong hands, which the travel agency girls Mirkku and Kikka are feverishly searching for behind the stage.