Press date Saturday crime thriller East Frisian grave

11 June 2019, Lower Saxony, Norddeich: Martin Lehwald (producer; l-r), Christian Erdmann (as Frank Eller), Julia Jentsch (as Ann Kathrin Klaasen), Klaus-Peter Wolf (book author), and Kai Maertens (Ubbo Heide) stand grouped for a photo at the dyke during the press conference for the Saturday thriller "Ostfriesengrab". The fourth film in the Ostfriesland crime series is based on the novel of the same name by Klaus-Peter Wolf (about dpa "successful author Klaus-Peter Wolf provides material for new ZDF crime thriller"). Photo: Mohssen Assanimoghaddam/dpa (Photo by Mohssen Assanimoghaddam/picture alliance via Getty Images)