A gripping and intense thriller about honour, loyalty, and the courage to fight for what you believe.

Three sisters, all adrift and in crisis, reunite at their childhood home as their domineering mother arranges a big birthday. But as the festivities come to an end, repressed conflicts rise to the surface. Old wounds are opened and a new family is born.

John Falk is on a routine mission with the Gothenburg police special unit GSI. With the help of a Norwegian undercover police and a civilian infiltrator in one of Gothenburg's heaviest criminal gangs, the GSI are trying buy six assault rifles and thus get them off the street. But suddenly everything changes when a new unknown player suddenly and immediately wants to buy not only those weapons but even more, including armor-piercing shells. GSI realizes that this can not be any ordinary robbers. Someone will start a war on the streets of Gothenburg. At the same time as the situation gets more and more complicated for John Falk's infiltrator Frank Wagner when the leader of the gang he infiltrated realize that one of his own leaking to the police.

After causing a commotion with his last assignment, Falk has been given a desk job, which hardly agrees with his personality, and he ends up accepting an offer from an old friend to buy into a private investigation agency. Another friend of Falk's, Sven, purchased a business in Estonia, and when local gangsters attempted to pressure him into paying protection money, Sven retained the services of Nikolaus Lehmann, a burly private eye, to throw them off his trail. However, Lehmann does his job all too well, murdering the racketeers, and then threatening Sven and his family. With no where else to turn, Sven asks Falk to help him deal with the crazed Lehmann; Falk agrees, but soon realizes he's dealing with a more dangerous man than he imagined when Lehmann kidnaps Falk's wife Jeanette, and then releases her with a time bomb locked around her neck, demanding that Falk hand over ownership of his detective agency to Lehmann.

A man is found shot dead in the trunk of a car. Four fingers on one hand have been cut off. The man was a co-owner of an online poker company that quickly grew into a multi-million dollar business before going bankrupt. Shortly thereafter, another co-owner is found murdered. The third and final co-owner, Sanna, is still alive but lives under constant threat. The police eventually find three of the first victim's severed fingers, but where is the fourth finger? Who will the killer send the last finger to? And why were the fingers severed? The investigation leads Irene Huss into a world unknown to her, of expensive luxury cars and magnificent villas in exclusive locations, where Russian caviar is an everyday food and the champagne is genuine, expensive, and constantly flowing. On a personal level, Irene is convinced that her husband Krister is having an affair.