Two rival gangs try to obtain the five parts of a dangerous formula held by five scientists.
Friedrich Schiller, a respected baker in Einbeck, enjoys a seemingly idyllic life with his wife and nine children. As he approaches his silver wedding anniversary, he nearly succumbs to a fleeting liaison with a spirited woman named Lollo. Though the episode ends harmlessly, it awakens a crisis of conscience in Friedrich, threatening the harmony of his devoted family.
The young unskilled worker Günter is employed in a foundry and spends his free time with friends of the same age. Together they form a motorcycle gang. But then Günter meets the daughter of an authorized signatory, Gisela, whose parents do not take kindly to the allegedly indecent young man. Gisela takes flight and introduces Günter to her parents on the spur of the moment so that they can overcome their prejudices. But it comes to a violent quarrel between Gisela's father and Günter...
