Kurt returns to work after a temporarly suspention. At the same time a girl disappeares which draws in the entire Ystad police and military looking frantically for her. When Kurt starts to work on the case, he begins to see similarities to a case he worked on ten years earlier, which hit him very personally.

A young woman arrives at the Ystad police station to report her mother missing. Soon afterward the mother is found near the family home. Ystad police end up in a situation that constantly stirs up new topics, while police suspect that the father is the culprit. On a personal level Martinsson becomes increasingly worried about Kurt as he is starting to get more and more problems with his memory.