Bob Baer and John Cencich return to examine Adolf Hitler's possible escape; the team returns to Berlin, where Lenny DePaul and Sascha Keil discover an unknown 5th exit from the Fuhrerbunker.
While investigating makeshift runways, the team find evidence Hitler would have had a stopping point on the way to Spain; historian James Holland goes to Denmark, where they investigate an airstrip and a bunker system.
Bob and John's dual investigation continues in Europe and Argentina. While investigating makeshift runways as an escape from Berlin by air, the team finds reason to believe Hitler would have had a stopping point on the way to Spain. Following files that place Hitler in Denmark after the war, Lenny and James Holland head to Denmark, where they investigate an airstrip and a massive bunker system
Bob and John's investigation leads them to Northern Spain, where a declassified document shows Hitler and a close associate, Leon Degrelle, could have moved from Denmark to San Sebastian, Spain.
While following leads on a Nazi escape network, the teams in Southern Spain and Northern Argentina both make discoveries of vast tunnel systems in the mountains.
Holland and Simpson consider U-boat activity in Cadiz, Spain, and scour Tangier for a Nazi HQ site. Kennedy and Williams examine a factory in Buenos Aires. Baer and Cencich view evidence of a meeting between Juan Peron and Martin Bormann.
Holland and Keil investigate the report of a major explosion in March, 1945, in Thuringia, Germany. Kennedy and Williams visit the remains of Dr. Richter's facility on Huemul Island near Bariloche, Argentina.
Kennedy and Williams seek the true identity of Juan Keller in Osorno, Chile, and later meet his adopted daughter. Simpson and Wood visit a cemetery in Asuncion, Paraguay. Kennedy and Simpson are sent to a suspected Nazi compound in Chile.
