Recently released from reform school, Élisa works at Madame Irma's before moving to Paris, where her success is growing. On a trip to the provinces, she meets Bernard, a blind man. They soon fall in love, but Élisa hides her activities from him. When he finds out, he hits her. The situation quickly degenerates.
Five people are gathered in a cafe because of a phone call they have all received. The plot thickens when they discover a dead body in a bedroom upstairs.The five people all become suspects.
Under the regime of Louis XVIII. Years after Waterloo, Napoleon's loyal officers live in retirement on half-pay. Useless and idle, they have lost their prestige and keep meeting in the hope of the Emperor’s return. When Napoleon dies, they decide to plot the rise to power of Napoleon II.
Simone's friend is murdered and the young woman is implicated. A journalist, Bernard Landry, succeeds in proving her innocence before being himself unmasked by an investigator.
