#1 – Blood Roses
In September 1939, former Warsaw chief investigator Jan Kalisz is compelled to work with the German criminal police while secretly passing information to the emerging Polish resistance. His double life isolates him from neighbours who see only collaboration and from a family he cannot trust with…
#2 – Blood Sacrifice
In January 1943, Jan Kalisz has promised to obtain weapons for Jews preparing to resist inside the Warsaw Ghetto. An apparently useful opportunity appears when a German officer with several identities is murdered, but the investigation draws Kalisz into the enclosed district as deportation, starvation and…
#3 – Blood Vengeance
On Christmas Day 1943, Polish SOE agent Krystina Kowolska is found hanged at an Arisaig training establishment in Scotland. Evidence suggests that she may have been killed before the body was suspended, turning a death that could damage relations between Britain and its Polish allies into…
#4 – Blood Enemy
In June 1944, a Wehrmacht war-crimes investigator and his escort are killed in an ambush attributed to the Polish resistance. Jan Kalisz doubts the obvious explanation and receives reluctant permission to investigate as German confidence weakens before the approaching Red Army. The search takes him through…