In 1912, in order to save her sister who was in a deep coma, the smart and courageous French female journalist Adele Concha (Louise Bourgoin) went all over the world to find a cure. She ignored the publisher's request to go to Peru to explore the ancient Inca fruit, and came to Egypt to find the mummy of the legendary pharaoh's famous doctor. After a dangerous duel, Adele finally got the mummy and set off to return home. At the same time, strange things happened in the Natural History Museum in Paris. A pterodactyl suddenly hatched from a dinosaur egg. That night, the pterodactyl attacked the special car of the former police chief. The incident shocked the whole country, and the government asked the police to solve the case within 24 hours. The mummy that is about to be resurrected, and the dangerous pterodactyl, Adele is about to usher in a new adventure... This film is adapted from the best-selling comic of the same name by Jacques Tardi.