I've long had a fascinating with grifters and fakes. In the Middle Ages, as now, there were plenty of folk looking for a quick windfall by pretending to be something they were not. Sometimes they had good reasons: the young woman Silence who pretended to be a minstrel and then a knight and rose to the heights of both professions needed to hide the fact that -- well, she was female.
Most often of course the hoodwinking was to get money out of the unwary (like Chaucer's Canon's Yeoman's tale). Money wasn't the only motivator though: there are few guilty pleasures as delicious as revenge well-served. A fine example is the Scottish text, The Freiris of Berwick.
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