The intriguing story behind the accusation and conviction of Sir John Perrot for treason is recounted in this study, together with the first fully edited transcript of his trial to appear in print since 1816. A compelling tale with a cast of dubious characters, a plot involving espionage, counterfeiting, double-dealing, lies, and betrayal, and combative courtroom drama, this absorbing history reveals how and why Perrot was framed for a crime he did not commit.