In 1548, Martin Guerre abandoned his wife Bertrande and his estate in Artigat, France, after a dispute over stolen grain. Eight years later, a charismatic man named Arnaud du Tilh arrived in the village claiming to be the missing husband. Having meticulously researched Guerre's life, family ties, and personal memories through gossip and accomplice tips, du Tilh stepped seamlessly into Guerre's shoes.
Bertrande accepted him, and they lived together as husband and wife for three years, even having two children together. Du Tilh managed Guerre's property and became a respected member of the community. However, tensions flared when du Tilh demanded an inheritance from Martin's uncle, Pierre Guerre.
Suspicious of the intruder's greed, Pierre launched an investigation, eventually uncovering that the man was actually a well-known rogue nicknamed Pansette. Pierre persuaded Bertrande to bring charges against du Tilh. A dramatic trial ensued in Toulouse, during which du Tilh defended himself so eloquently that the judge nearly acquitted him.
In a cinematic twist worthy of modern theater, the actual peg-legged Martin Guerre strolled into the courtroom just as the verdict was being prepared. Du Tilh was convicted of fraud and treason, confessing his plot before being executed outside Guerre's house in 1560.