A young man who wishes to launch his girlfriend in the theater, borrows money from his aunt, making her believe that he wants to buy groceries. His aunt arrives and then wishes to visit “her” grocery store; to save the day he borrows the store of a credulous grocer.
In a film studio, several actors are the victims of attempted murders. Julien Brisseau, a writer, decides to use these facts as the backbone of his new novel. But while he is working on his detective story, young actors are actually killed. Julien thence gets suspected by police inspector Vétillard. To clear his name, Julien undertakes to investigate and find the killer on his own.
