Paris, 1910. Emile, a shy movie projectionist, and Raoul, a colourful inventor, find themselves embarked on the hunt for a monster terrorizing citizens. They join forces with Lucille, the big-hearted star of the Bird of Paradise cabaret, an eccentric scientist and his irascible monkey to save the monster, who turns out to be an oversized but harmless flea, from the city's ruthlessly ambitious police chief.
Natanaël, seven, still doesn't know how to read. His eccentric old aunt bequeaths her house to his parents and her book collection to the young boy. Nat discovers that the books serve as a shelter for all the heroes found in children's literature. They are the original characters and are counting on him for protection. For if they leave the library, they will disappear along with their stories forever! When his parents start selling off the books, Nathanaël, who is shrunk by the evil witch Carabosse, braves everything to save his tiny friends
During the French Revolution, a young aristocrat finds an almanac in a book store which contains the prettiest and strangest prostitutes living in Paris.
Fred, a raffish safe blower, takes refuge in the Paris Metro after being chased by the henchmen of a shady businessman from whom he has just stolen some documents. While hiding out in the back rooms and conduits of the Metro, Fred encounters a subterranean society of eccentric characters and petty criminals.
