For her eighth birthday Maria finally gets a bicycle, but to her despair it is stolen shortly after. At the police station Uncle Rikhard is the only one willing to listen to Maria's story, but he cannot pursue the thieves without a police car - and it will take a mirracle for him to get one. So when a magical night sinks over the town and a shooting star flies across the sky, Maria wishes for a miracle. That same night Pelle the Police Car lands in a shower of sparks - not in the police garage, but in Maria's own bedroom! Maria manages to get Pelloe out of the house and convinces Uncle Rikhard that Pelle is a real police car that can be used to chase the thieves. Uncle Rikhard is in for quite a surprise when he begins to discover what Pelle is capable of. Not only can he talk - he can also drive around on his own! A new world opens up for Maria, Uncle Rikhard, and Pelle as they set out to catch the bicycle thieves.