In the Salon Carre there is a gap on the wall where the painting once hung.
The theft is not detected for over 24 hours, and, once it is, uproar ensues.
Why has the painting beguiled us through the ages?
Vincenzo Peruggia is believed to be the thief.
What are his motives and is he believable?
Vincenzo Peruggia is arrested and the painting is returned to France.