A thrilling film story that begins with the brutal murder of a young girl takes viewers to the raw environment of a small town somewhere in the north of Bohemia. A pair of detectives embark on a complicated investigation. Just when it seems that the case is about to be closed, new evidence casts doubt on everything and forces them to go back to the beginning. Tension mounts between investigator Laura Linhartová and her colleague Adam Benes. The question remains: Who killed Anna Pittnerová?