It is winter in the mid-1970s in Tornio, a village near the northern border between Finland and Sweden. Esko is a boy with a lot of problems. He has succeeded in getting on the wrong side of his gang.
Ricky Rapper is a ten year old boy who lives with his aunt Serena and likes to play drums and rap. His aunt breaks her leg, leading to cousin Fanny moving in to take care of the household. Fanny is very strict and that means no more drums for Ricky. With the help of his downstair neighbor Nelly, Ricky seeks to restore the normal order to the apartment.
Summer vacation has just begun. In honor of it, Serena Rapper and Lennart Lindberg decide to go on holiday. Ricky gets a new bicycle as a consolation, but it disappears mysteriously. Ricky and Nelly Noodlehead go looking for it which turns into a thrilling adventure.
