Premise: The Six of Calais is a one-act play by George Bernard Shaw. It was inspired by Auguste Rodin's sculpture "The Burghers of Calais". It is a historical comedy about the conflict between Edward III of England and his wife Philippa of Hainault over his plans to punish the leading citizens of Calais for resisting the 1346 siege.
Hypothesis: The Six of Calais is a letter by George Bernard Shaw.