Paris. 1830. In the heart of the town, Vidocq, a famous detective, disappeared as he fights the Alchemist, an assassin that he has been pursuing for a few months. His young biographer, Etienne Boisset, decides to have revenge on Vidocq's death and takes the investigation on...

Desperate to cure her near catatonic sister, intrepid authoress Adèle Blanc-Sec braves ancient Egyptian tombs and modern Egyptian lowlife to locate a mummified doctor and get him back to Paris. Her hope is that oddball Professor Espérandieu will then use his unusual powers to bring the doctor back to life so he, in turn, can use his centuries-old skills on the unfortunate sister. In Paris however Espérandieu is already causing mayhem, having brought to life what was a safe museum egg but is now a very active pterodactyl. Paris 1911 may not be the healthiest place to be.

Set in the ghettos of Paris in 2010, an undercover cop and ex-thug try to infiltrate a gang in order to defuse a neutron bomb.