Wanda is a dominatrix who runs a gallery in a building on the Hamburg waterfront, where audiences pay for the privilege of watching her humiliate her slaves. She is a business woman who smashes sexual stereotypes and social taboos with icy self-possession and an enigmatic smile. As artist she specializes in the staging of elaborate BDSM fantasies and her affairs transgress the usual boundaries of personal and professional life. Along the way she leaves her German lesbian lover, a shoe fetishist, for an American "trainee," and does more than step on the toes of the male performer who has broken the rules of the master-slave relationship by falling in love with her.

After 7 years spent in jail Paul is free again. With his old crew he celebrates his return.

Dorothea, a 16-year-old bourgeois girl from Hamburg, plays with her friends of both sexes, imitating the production of adult movies. In the end, pretending to make sex-scenes is not satisfying enough, and with a street professional, Dorothea is initiated in hard sex.

Things may not be fast at the German post office, but they're a lot of fun: postal supervisor Max Sparwein knows a thing or two about it, because he really can't complain about boring and monotonous service on his tour through the city. This is also the experience of journalist Mara Schönwetter, who accompanies him on his walks up and down the stairs to write a report.