When Linda’s father-in-law, Håkon Von Enke, disappears, Wallander becomes entrenched in his most challenging missing person’s case yet. The only clue to Håkon’s whereabouts is a suspicious submarine incident shrouded in 25 years of secrets.

When the case takes a devastating turn, Wallander must delve deeper into cold war politics and, in doing so, uncovers delicate, fractured relationships within the Von Enke family. With time running out, and his own memory working against him, Wallander must prevail against the odds if he is to safeguard his daughter’s future.