Karin Larsson and Douglas Hallencreutz has a somewhat peculiar relationship. They meet every Wednesday at Douglas. Karin is Douglas "Wednesday's friend." Otherwise, they live completely separate lives. This Wednesday they wake up together. Karin showers and leave Douglas fancy apartment at Strandvägen, Stockholm. She lives with her father, former captain Larsson. When Karin come home, Baltzar is at the door. Baltzar is a typical "guy" full of ideas, not always successful. It also turns out that Baltzar had a relationship with one of Karin's sisters.