Salmander goes undercover in Solvik jail to follow a lead in the murder case. When his only ally in prison dies from a peanut-related accident, Salmander is put behind bars for real. Not only must he follow a trail in the case, he must also find a way to get out of prison. Meanwhile, Johanne finds a very special clue in Hellfjord's murder mystery.

After breaking out of Solvik jail in a spectacular way, Salmander finds himself in a even more difficult situation. The local journalist Johanne comes to the rescue just before it goes seriously wrong, and together they connect the dots that finally lead to Bosse Nova, owner of a local fishery.