Summer vacation has just begun. In honor of Peace Rapper and Lennart Lindberg decide to go on holiday. The duration of Ricky Rapper and Nelli Nuudelipäätä will handle the harsh Elvi - aunt. Luckily, Ricky gets a great comfort to the new bike, but as soon as mysteriously disappears. Risto and Nelli leave together in search of the wheel, and it begins with the thrilling adventure.