Fred, the nephew of a senator,has murdered a Black man on a train. The two only witnesses are Lizzie McKay, a prostitute from New York, and Sidney, a colored man. Fred decides to seduce Lizzie in order to make her give false evidence according to which Sidney has attempted to rape her. The uncle also puts pressure on the young woman. After much hesitation, Lizzie finally accepts but Sidney, who has nearly got lynched, takes refuge at her home...

Barbara Laageas Lizzie McKay
Ivan Desnyas Fred Clarke
Marcel Herrandas Senator Clarke
Louis de Funèsas Nightclub customer
André Valmyas Georges, club boss
Jacques Hillingas The nightclub drunk
Jean Danetas Nightclub customer