An old note is found in a bottle in Jutland which has travelled across the ocean for a long time. The note is hard to decipher, but when the Danish investigators from Section Q receive it, the odd personalities within the section find a new angle on it and try to unveil yet another old and diabolic case even though the lead is cold.

In 1994 two young twins are found brutally murdered in a summer cottage. A number of clues points in the direction of a group of young upper class students from a nearby boarding school, but the case is closed as a local outsider pleads guilty and is convicted for the murders. When the case ends up on Carls Mørck’s desk 20 years later, he soon realises that something is terribly wrong. As Carl and Assad start investigating the case, they are led on to an old emergency call from a desperate girl who seems to know the secrets of the murders. Soon they are plunged into an intense search for the girl, Kimmie, who has been missing since the murders happened. But Carl and Assad are not the only ones trying to track her down as the girl’s testimonial is of great danger to a group of influential men at the top of society who will do all they can to keep her silent.

Based on the first book in Jussi Adler-Olsen’s bestselling thriller series about Department Q THE KEEPER OF LOST CAUSES tells the story of the two policemen Carl Mørck and Assad who become involved in a five-year-old case concerning a missing woman, Merete. Soon Carl and Assad are on a journey through Scandinavia’s darkest corners to find a psychopathic killer.

Year 1206. Norway is ravaged by civil war. The King’s illegitimate son is guarded in deep secret. A boy that half of the kingdom wants to kill and two men will protect to the death. A boy named Earl Håkonsson. Birkebeiners is the story of the escape that changed Norway’s history forever.