The second series of Morden I Sandhamn, is an adaption of Swedish novelist Viveca Sten's second novel I den innersta kretsen (2009), first broadcast in Sweden, December 2012.
Skipper Oscar July Anderson with his crew wins the Gotland yacht race but on the way into Sandhamn he suddenly collapses, shot in the chest.
Detective Thomas Andreasson from Nacka Police, is assigned to solve the murder case. Oscar July Anderson was a well known, established bankruptcy attorney and also vice chairman of the Royal Yacht Club. The plot thickens when another of yacht club members is murdered.