Sisif, a railwayman, saves a young girl named Norma orphaned by a train crash and raises her as his own daughter alongside his son, Elie. As she becomes an adult, Sisif grapples with whether to tell Norma the truth about her parentage.

In a small fishermen's village love affairs are in turmoil, amidst political meetings and revolutionary activities. Nature adds drama to the human passions with its wind- and sea-storms.

After many difficulties, the seductive Italian dancer, Rosine Savelli, manages to clear herself of a plot hatched against Napoleon III...

Father-and-son lion tamers, Rabbas and Léo share a mistress - Rosita, the " lovely bitch " of the film's title. She is as wild as their lionesses and, in a single night the father is injured and the son attempts suicide. Only when Rosita leaves the circus can things get back to normal.

Jean Larivière receives an impromptu visit from his future father-in-law while Lina, his mistress, learning of his marriage, has come to make a scene. The baron is seduced by Lina, and Jean, noticing that Angélique, his fiancée, is not so bad after all, is very happy to marry her.

Sisif, a railwayman, saves a young girl named Norma orphaned by a train crash and raises her as his own daughter alongside his son, Elie. As she becomes an adult, Sisif grapples with whether to tell Norma the truth about her parentage.