On July 20, 1944, a bomb planted by a high ranking German officer, Claus von Stauffenburg, exploded in the briefing room of Wolf's Lair, Hitler's Eastern Front HQ. This is the story of the most serious attempt to assassinate the warlord, the story of Operation Valkyrie. Also included is an interview with Nigel Jones, the author of the book ""Countdown to Valkyrie."" Nigle talks about his lifetime ambition to write about von Staffenberg and this Hitler assassination plot. Also included are Nigel's thoughts about his interview with Berthold von Stauffenberg, Claus' son, at the Stauffenberg family home.