Noun
Feast of Fools (plural Feasts of Fools)
(historical, in medieval Europe) A festival, based on the Roman Saturnalia, celebrated near Christmas.
Synonym: Feast of Asses
It's set as 15th century Paris where Quasimodo, a deformed, captive bell-ringer, observes the city's Feast of Fools from afar. Source: Internet