Wolf Müller

To gain lands from the prince of Saxony, a group of orphans seeks Mozart, in order to obtain the very rare score of one of his compositions.

A creature bearing the ominous name "Mishap" is hot in pursuit of an unfortunate lumberjack and eventually decides to live with him. It soon gets bored, however, and asks the lumberjack to hand it over to the rich merchant Habermoos. Habermoos manages to sell Mishap to the king, although he is being attacked by robbers. The king is bankrupt and threatened with war by other countries. Young Michael has to go to war for the king. The creature tries to secretly join him. When Michael gets hold of the situation, he manages to get rid of Mishap once and for all. After all, he has more important things to do. At the last moment, he prevents his girlfriend Kathrin from getting married to the pompous merchant Habermoos.

804, Thuringia. An orphan boy, called Bengel, lives in a monastery and is teased by the nuns because of his ugliness. He nurses a black rider, who is shunned by everyone and is said to have the plague, back to health. The rider tells him about the missing Bogumil, son of the Slavic king Slavomir, who was to marry Reglindis, the daughter of the Margrave of Thuringia, by order of Charlemagne. And he asks Bengel about his origins. Bengel now believes he is Bogumil. He goes to the castle and meets a beautiful girl who also thinks he is beautiful. It is Reglindis, she is blind. The girl senses the boy's inner beauty and is very fond of him. Her father, however, wants to kill him. Bengel narrowly escapes death twice, the Black Rider impressively proves his identity with Bogumil and finally there is a happy ending.