Narcotics investigator Herbert Strähl is engaging in a fierce and seemingly hopeless battle against the drug scene on Langstrasse in Zurich. Carol is a wild young drug addict. Strähl's problems really begin when he falls in love with her. In his attempt to get Carol out of her disastrous environment, he increasingly finds himself in danger of falling into a vortex of dependence and violence.
After his parents' death, construction worker Sigi doesn't know what to do with his life. He can't do much with his pay, and as a working-class man, women aren't interested in him. But things start to change after a colleague advises him to start moonlighting as a private builder and he meets the beautiful Hannah.
A detective leaves the force to take over the family business as an undertaker at the same time as he is being investigated for murder. His close encounters with corpses and his earlier police training lead him to see things some of his ex-colleagues miss and he investigates the crimes he encounters in an unofficial capacity often to the dismay of the official police.
