An adventure between rival spies about documents concerning the process for extracting fuel from seawater. A love story that threatens to turn tragic, since the young woman enlisted by force in the network of doctor Morenius falls in love of her rival before returning, triumphant, to her fiancé.
| Actor | Role |
|---|---|
 Marie DéaSteffi | Steffi |
 Raymond RouleauRadlo | Radlo |
 Henry BonvalletNot listed | Not listed |
 Jean BrochardNot listed | Not listed |
 Rivers CadetNot listed | Not listed |
 Arthur DevèreNot listed | Not listed |
 Hugo HaasMorenius | Morenius |
| PPaul LluísNot listed | Not listed |
 Marcelle MonthilNot listed | Not listed |
 Roland ToutainNot listed | Not listed |