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.

A late-night phone call changes everything for Ebba, My and Gloria. The news that their sons have been involved in a serious car crash puts their friendship and priorities to the ultimate test

Anders realizes his daughter is being excluded from social activities and decides to start harassing his neighbors.

Damir is a living at full speed to escape memories of a past sexual assault when he falls in love with Amel. They decide to go on an action-packed journey to bring down their shared perpetrator.

The Beck group is called out to investigate the brutal murder of a man in his own house and Vilhelm, Beck's grandson, ends up being kidnapped.

Robert and Max need their friend Jan in order to function in life. But after having his life's work ruined during a disastrous book release, Jan has now fallen into a deep depression and can't help anyone anymore. Robert and Max now need to travel across the country to find a way to retrieve Jan's book and his will to live.

Role-playing and multiple narrative layers are interwoven in a complex and philosophical film about learning, life perspectives, and facing profound changes.

After years on the run, Sickan reunites with Vanheden, Harry and Doris for another coup. The plan, timed to the smallest detail, is to steal a complete T-Rex skeleton from the Natural History Museum and sell it to the unscrupulous businessman Wall Enberg for 320 million SEK. However, they have not counted on Rigmor Gren, an aged policewoman, obsessed with the idea of ​​bringing Jönsson to justice before she herself retires.