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.

Zurich-born Hugo Koblet was the first international cycling star of the post-war period. He was a stylist on the bicycle and in life, and a huge heartthrob. Koblet had a meteoric rise and won the Giro d'Italia in 1950. Once he had reached the zenith of his career, Koblet was put under pressure by overly ambitious officials and ended up ruining his health with drugs. In 1954, he married a well-known model and they became a celebrity dream couple. After his athletic career ended, Koblet began to lose his footing. Threatened by bankruptcy, he crashed his Alfa into a tree.

Dave is about to turn 30 and having his first mid-life crisis. A pretty successful DJ and record store owner, Dave is back with ex-girlfriend Sarah, but he isn't happy with his lot. In doubt about the relationship and mourning dreams he meets 20-year-old Alice, who embodies the temptation of youth. Is Dave too old for adventure or is he still young enough? Day at the Seaside is a sensitive portrait of an urban generation swaying between the freedom of youth and commitment of life.

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.