A series of murders eliminates the poverty-stricken heirs to a 10 million-dollar fortune while Didi Dodel, the unsuspecting main heir, blithely escapes the attempts on his life. After a wealthy miser dies and leaves his fortune to Didi and five others, the five each hit upon the idea of eliminating Didi from the list (Didi does not know he has been named), but they do not realize how fate can step in and alter the best and worst of intentions.
Schorsch and Franz are two rascals who are full of mischief and constantly tease both their teachers and their fellow pupils. Vera, the new classmate, decides to put her foot down and bring an end to the poor situation. With skill, patience and the help of the other pioneers she finds out about the troublemaker’s love for miniature trains and tries to direct their redundant energy onto the right track. However, Vera and her pioneers have to overcome some resistance before Schorsch and Franz finally change their behavior and become better classmates.