Premise: O Drakos (Greek: Ο Δράκος ; English: "The Ogre of Athens" or "The Dragon" or "The fiend of Athens") is a Greek black-and-white film, produced in 1956, directed by Nikos Koundouros. It won the award for best movie 1955–1959 in the first Thessaloniki Film Festival. It also took part in the Venice Film Festival.
Hypothesis: O Drakos causes cavaties.