The series is named after a small part of Saltsjöbaden called Solsidan. It revolves around Alex and Anna who are expecting their first child and have just moved to Alex's childhood home in Saltsjöbaden, Stockholm County. Alex tries to get Anna to enjoy herself, and at the same time spend time with his childhood friend Fredde.
During a midsummer weekend in the eighties a family gather in their summerhouse in the archipelago. The memory of the dead family father surfaces when Britt-Marie, now calling herself Hebriana, gets out from the mental hospital to celebrate midsummer with the family.
December 1942. Two young soldiers leave their posts at checkpoint 83 in North Värmland, Sweden and make their way through the ice cold winter night towards the Nazi-occupied Norwegian border. Sweden stands on the brink of invasion and they want to see the enemy everybody's talking about. But the adventure ends in disaster and soon thereafter Lieutenant Aron Stenström finds out that his brother Sven is one of the missing soldiers. With the odds stacked against him he is forced to go behind enemy lines on a secret rescue mission. Deep inside the Norwegian forests Aron realizes that a completely different kind of line must be crossed if they're to come out alive.
About the individuals who live in a mad-house. This kind of people usually seem to be quite normal. However, from one scene to another they may dramatically change, thereby revealing their deep problems with themselves and the society they cannot live in anymore.
Swedish intelligence officer Carl Hamilton's 7-year-old goddaughter Nathalie is kidnapped. When the kidnapping's underlying motive becomes known, the Swedish authorities assume a passive role, forcing Hamilton to action. With the help of international contacts, Hamilton manages to get them on track. Hamilton, along with some military colleagues, plans a daring rescue mission.
A librarian at the National Library in Stockholm gets access to extremely valuable and rare books. He steals and sell a large number of these to a book curator in Amsterdam.
