Hamilton has amassed an extraordinary collection of Nazi memorabilia. These include a collection of Nazi badges that were sold to raise money for the German poor, and an ammunition box full of silver bullion bars that were found buried close to a concentration camp in Poland. The badges incorporate many symbols from other ancient religions and cultures that the Nazis used to promote the myth of an Aryan master race. The Nazi relics have a deeply personal resonance for Janina as she is Polish, and her grandmother was interned in a Nazi labour camp during the war. Janina begins her part of the investigation into the Nazi obsession with religious symbolism by looking into Nazi Grail hunter Otto Rahn, the inspiration behind the Indiana Jones movies. She discovers documents that reveal Rahn, who eventually committed suicide, was gay and had Jewish ancestry. Carl and Hamilton begin their investigation at a stunning mountain-top monastery at Monserrat in Spain.