Lena lives a safe and happy life with her husband Alf and together they run a fish shop. No one who sees her can imagine what kind of hell she has gone through with her former husband Hannes. One day, her life turns upside down as a random meeting with Hannes leads to an emotional chaos for her. She thinks he has changed, but no one else wants to believe that Hannes is a new and better person. At the same time, Alf can only look at how his beloved Lena is drawn to Hannes who hurt her so much before.

Sweden, shortly before Christmas. Surgeon Rickard is told the job he expected goes to a Dane, because of his substance abuse. It's too late to cancel dinner with his in-laws. The guest couple announces their in-vitro is a success. Then Richard's wife learns he cheated her with Sofie. Meanwhile ugly hag Anita trades drugs to afford a taser to use on her ex Olof and his former physiotherapist. Workaholic builder Anders is disgusted by his grieve-deranged client Knut's plan and decides to spend time on his family, not just money.

Following an argument with her lover on her boat, a woman is found dead. Wallander and the Ystad police investigate; their inquiries lead them to a farm commune and to an old friend of Linda's.

Rille, an ostracized and bullied teenager, who only excels in the ping pong room, descends into a life-and-death struggle with his younger, more popular brother when the truth about their father surfaces during their spring break.

A body is found in the water near Liljeholmen. The body belongs to a 39-year-old Danish citizen with a solid criminal record and who was a member of a notorious Danish drug gang. Should the Beck Group get a gang war on their necks? Martin Beck is back to the joy of the entire Beck group. Martin's daughter Inger is not as happy but has to accept her father's decision to start working again.

A man is found brutally murdered at a running track in the woods. At the same time, Josef resumes the relationship with a former girlfriend from school, Cissi, whose father recently died of a sudden heart attack during a robbery. Josef goes against Alex's directive and begins an unofficial investigation into Cissi's father's death, which puts him in a complicated conflict situation.

Nothing is the way it should be in the Beck group. Josef is suspended, pending an internal investigation. Klas Fredén offers to help Josef. But nothing in life is free.

There is something going on in the small town of Backberga. The towns proud telecom company Unicom is just about to launch a new modern profile when they discover that there is something lurking in the outskirts of Backberga. An accident triggers a power failure, which leads to a chain of events,mishaps and love stories. Flicker is a warm comic story about people trying to find their place within the modern society.

In a playground in the centre of the urban idyll, the police find a buried wooden box containing a famous and well-respected prosecutor. Martin Beck and his police team initially suspect a highly criminal MC-leader of the attack, but one pretty soon has to re-evaluate the case once the MC-leader is found murdered in a similar wooden box. Soon, more wooden boxes are found and the police realize that they are part of a cat and mouse game with a crazy serial killer. The investigation soon shows that there is a vague connection between the victims in the shape of a 9 year old event, but what Martin Beck does not suspect is that his own life too is at stake, as the murderer has chosen him as the next victim.

The police is under heavy media pressure after fatally shooting a 14-year-old boy. A demonstration against the violence gets out of hand and the police have to take further blame.