In Macao, where places of pleasure and arms trafficking are concentrated, a tragedy opposes an adventurer and his daughter whom he has brought up in ignorance of his profession. She is torn from her environment and saved from tragedy by a young journalist who loves her.

Ying Tchaï
Mireille
Almaido
Werner von Krall
Jasmine
Sailor
Mademoiselle Marguenon
Yassouda
Sailor
Ying Tchaï's secretary
Captain
Pierre Milley