A Russian emigrant sings in a Shanghai nightclub under the assumed name of Kay Murphy. All she dreams of is a peaceful life with her daughter Vera. But this is only a pipe dream as she has been forced by her former lover Ivan to work for a secret criminal organization, "The Black Dragon". Vera, who studies in a Hong Kong boarding-school, knows nothing about her mother's past. When Ivan, who is also Vera's father, resurfaces and blackmails Kay, the young woman is determined to fight back...
| Directing | G.W. Pabst | Director |
| Writing | Henri Jeanson | Adaptation |
| Writing | Alexandre Arnoux | Writer |
| Writing | Léo Lania | Writer |
| Writing | Oscar Paul Gilbert | Author |
| Production | Romain Pinès | Producer |
| Editing | Louisette Hautecœur | Editor |
| Editing | Jean Oser | Editor |
| Writing | Herman G. Weinberg | Writer |
| Art | Andrej Andrejew | Production Design |
| Art | Guy de Gastyne | Production Design |
| Costume & Make-Up | Georges Annenkov | Costume Design |
| Sound | Robert Teisseire | Sound Engineer |
| Camera | Henri Alekan | Assistant Camera |
| Camera | Curt Courant | Director of Photography |
| Camera | Eugen Schüfftan | Director of Photography |
| Sound | Ralph Erwin | Original Music Composer |
