Young police chief Sandra Mohr returns to her hometown of Graz with a bad feeling. Together with her new boss, Sascha Bergmann, she is tasked with solving the death of a journalist who was planning to write an article on abuse of office and nepotism.
A body, apparently bludgeoned to death, is found on the ice of a frozen pond in an Austrian village. The man who found the body is a retired police officer who, to the disdain of the two female detectives officially in charge of the case, decides to further investigate the matter.
Years ago in austrian countryside a hit and run is committed, now two local cops investigate the death of that man - the dead in the lake. Did he take his own life. Adding suspense, the killed girls father is a former colleague (played by Austrias best comedian Josef Hader).