Robert Vernier is assigned by the Secret Service to unmask a band of gangsters determined to get their hands on the plans for a new plane. They manage to steal part of it and kidnap Robert's fiancée, named Monique. Robert will manage to dismantle the gang and will be surprised to find that at the head there is a policeman...
Robert Vernier
Mr. Pascal
Monique Gambier
Julien Gambier
Irène
Martinzal
Doirel
Vaminy
Fred
Reinard
Martin
Marco
The Commander
The agent
Jimmy
Max
Bertrand
The bartender
Charley