The search for a child murderer drags a once-respected detective into an all-consuming obsession.

In this Swiss film noir a private investigator stumbles onto a case involving blackmail and an oversexed, under-aged girl. He finds the girl, and, tragically, becomes involved with her.

At the age of three, little Wolfgang has lost his parents. Since then his uncle Eduard raises the boy. As a former concertmaster Eduard has recognized how gifted his nephew is and the boy learns the hard way. The 6-year-old must practice daily 6 hours at the piano and already impresses at famous music parties. When Eduard Fabricius breaks a leg after a concert in Lucerne and must go to the hospital, he can be persuaded by a pediatrician to grant some carefree vacation weeks in a manor for Wolfgang. The manor belongs to the young widow Elisabeth who soon grows very fond of the little boy. Wolfgang makes friends with 11-year-old Heidi and Jöggi, a boy his age who first saw a rival in him...

Realist melodrama set in Zurich. In the old town district, people are concerned about Mäni, the child of a toilet attendant, who is growing up without a father. Postman Jucker appeals to the boy's conscience and protects him from unjustified accusations. After Mäni's mother dies, Jucker, who has become the child's guardian, takes Mäni into his home. Mrs. Jucker does not accept the boy and accuses Jucker of forgetting their own deceased child. Mrs. Jucker flees to her sister's house. Mäni also runs away.

Christa Andres runs a home for troubled girls. With great dedication, she tries to help girls who have gone astray return to a normal life. She takes special care of Erika, who works as a prostitute and one day runs away from the home. Christa sets out to search for the girl in the red-light district. In doing so, she is haunted by the shadows of her own past. The educator herself used to work as a prostitute. When she meets her former pimp, he tries to exploit his knowledge in a perfidious way and blackmail Christa...

Glacier pilot Hermann Geiger flies over a four-thousand-meter peak in the Valais Alps and observes a glacier collapse. The next day, three rope teams climb through this glacier to Dent Blanche. However, Dr. Gruber, accompanied by his wife, a young engineer named Gisler with his girlfriend Monica, two young men named Charly and Roby, mountain guide Perren, and the athletic Englishman Puckle get caught in a storm. Due to the weather conditions, Gruber slips and drags the other participants down with him. His wife, who had stayed behind in a hut, alerts the mountain rescue service. The storm initially prevents glacier pilot Geiger from taking action, but he then risks a breakneck landing to rescue the group.