Question: What plot did Kurt Freiherr von Plettenberg and Claus von Stauffenberg work together on?
Sentence (from "Kurt von Plettenberg"): Kurt Freiherr von Plettenberg (31 January 1891 in Bückeburg – 10 March 1945 in Berlin) was a German forester, cavalry officer and a member of the German Resistance (Widerstand).
Relevant evidence: Yes