Nora und Jonas werden von einigen Nachbarn zu einem Sommerfest eingeladen, mit dem sie ihr neu gebautes Luxushaus auf der Insel einweihen wollen. Doch das große Gebäude hat die Gemüter vieler Inselbewohner erregt und die Party endet in einem Desaster.

It is finally time for this year's sailing camp in Knarrholmen, and the atmosphere is charged with anticipation. But not everyone is happy. Benjamin feels isolated and several of the older boys make him their whipping boy straight away, without the leaders noticing anything. The bullying gets worse every day, and meanwhile someone is lurking in the shadows, watching every step the children take. Several of the boats in Sandhamn's harbor have had their petrol stolen, siphoned off at night. Thomas takes the night surveillance job, to try to get more time with his family...

The Nacka Police receive an anonymous report of domestic violence. Mia receives the report and goes to see Minna, who arrived at the hospital, badly battered, with her newborn son. Mia asks her to testify - and promises her protected housing out in the archipelago. Minna's husband, André, does everything he can to get his family back, while at the same time trying to figure out who has filed the report. Minna and Mia get out of the hospital at the last minute, before André finds them, but he can't take no for an answer, and instead starts to hunt them down to bring ...

Mia and Thomas are on night surveillance, watching suspected alcohol smugglers. Everything is calm and quiet, until Thomas goes for a cup of coffee. A truck comes, and Mia doesn't have the patience to wait. She goes in herself, so that she won't miss her chance to catch them red-handed. She is beaten brutally and Thomas is determined to find the people who assaulted her. A box of imported liquor is his only lead. It turns out that the CEO of the import company lives on Sandhamn, and is an acquaintance of Nora's. Thomas heads out right away to ask Nora if she could ...

Minna versucht, eine frischgebackene Mutter zu schützen, die von ihrem misshandelnden Ehemann verfolgt wird. Nora steckt mitten in einem neuen Kriminalfall, während sie ihre Hochzeit plant. Jonas kämpft mit Eifersucht, nachdem er von der Junggesellinnenparty erfahren hat.

Mia wird im Dienst brutal zusammengeschlagen, und Thomas ist entschlossen, die Schuldigen zu finden. Nora versucht, über Jonas' Verrat hinwegzukommen und erscheint widerwillig auf einer Party zum 60. Geburtstag, wo ihr Ex Henrik sie zum Tanzen auffordert.