Young Peter has a difficult time adjusting at school having been confined to a wheelchair after an accident. He still wants to participate in the school outing and play and wants to come up with a way to make the play actors 'fly' like fairies. By chance the local inventor Quirinus Drijfhout and his son Felix have just perfected their 'Zerostraler', a machine that can make any object float in mid air.—Il Tesoro