The cold case investigation into Benjamin's disappearance continues. Iris and Jens succeed in uncovering new leads despite Kerstin's reluctance to continue working on the case. Iris dreams of her dead husband and can't help but update herself on how the murder investigation is going.

Iris is in Stockholm to identify a suspect for Christian's murder. Her former colleague Adam gets into trouble when Iris goes too far and gets involved in the investigation. The Benjamin case is packed up and placed once more on the shelf.