Arriving in Paris, Madeleine Marsan rents a room in a guesthouse where she makes the acquaintance of Pierre Ruffin, a respectable municipal librarian. Through Pierre, Madeleine finds work as a schoolteacher and soon realises that she is in love with him. Then she discovers that Pierre is in truth the head of a band of crooks. Caught by the police after a failed robbery, Pierre manages to escape. With Madeleine’s help, he goes on the run.

Jean Gabin
as Pierre Ruffin

Madeleine Robinson
as Madeleine Marsan

Robert Dalban
as l'inspecteur Dupré

Jean-Jacques Delbo
as Antoine Perez

Suzanne Dantès
as Melle Mercier

Michel Barbey
as Dédé

Gaby Basset
as la prostituée

Paul Bonifas
as le commissaire principal

Arthur Devère
as le marinier

Luce Fabiole
as la directrice du cours Sévigné