1Vilhelm
Three men enter a luxury apartment in Stockholm dressed as couriers. But what appears to be a robbery ends in a brutal murder that resembles an execution. Vilhelm Beck's patrol is the first to arrive. Haunted by his memories as a hostage, Vilhelm soon begins his own investigation into the case, which leads to a surprising contact with the Beck group.
2The Invisible Man
When Alex is alerted to a brutal murder, she brings the temporarily suspended Vilhelm and her colleague Josef to the crime scene. The victim turns out to have connections to the digital university Howl, which investigates the role of men in a changing world. At the same time, the case is linked to an older investigation into the "Balcony Man", which brings Martin Beck back to the department.
3From the Ashes
Un pasteur est mort dans un incendie criminel dans l'une des salles paroissiales du mouvement pentecôtiste. Quand Alex et Josef arrivent, elle découvre que l'autre pasteur de la congrégation est quelqu'un de son passé.
4In the Shadows
A shooting takes place in a Stockholm suburb and a violent gang is suspected of the crime. Soon the suspected perpetrators are found tied up near the crime scene, where they appear to have been delivered by a mysterious person with ulterior motives. The Beck group leads a cross-border operation to both find the gang's leader and find out who the unknown actor is.