After a successful experiment on Algernon, a mouse whose level of intelligence thanks to that procedure dramatically increased, the scientists decided to go further - the next "guinea pig" is Charles, a mentally ill young man. The experiment is again successful. But what happens after it?

Two bank robbers, an old and a young, escape from prison to get to the hidden loot.

Colinot's world is turned upside down when his fiancee is kidnapped.

In 1525, on the evening of the Battle of Pavia, François 1er was taken prisoner by the armies of Charles-Quint, with the Constable de Bourbon on their side. His mother, regent of the kingdom, commissioned the king's loyal equerry, Antoine de Montpezat, to raise a ransom of two million ecus and send it to Madrid. Despite the treachery of Vandoeuvre, governor of Languedoc and supporter of the connétable de Bourbon, who has his eye on the French throne, Montpezat accomplishes his mission and is reunited with his fiancée, who had almost married the traitor Vandoeuvre.