Phillip Gresson is in the employ of the British secret service, while heroine Judith is a spy for the Enemy. Hoping to gain possession of the usual Secret Plans, Judith pretends to be in love with Phillip. Only after nursing the seriously wounded Phillip back to health does Judith come to the realization that she genuinely loves him.
| Actor | Role |
|---|---|
 George O'BrienLieutenant Philip Gresson | Lieutenant Philip Gresson |
 Lois MoranJudith | Judith |
 Phillips SmalleyBritish Colonel Mason | British Colonel Mason |
 Oscar ApfelGerman General | German General |
| DDuke MartinBritish Sergeant Major | British Sergeant Major |
 André CheronBritish Spy | British Spy |
| DDonald MacKenzieBritish Colonel | British Colonel |
 Hedwiga ReicherMadame Grenot | Madame Grenot |
 Will StantonGresson's Chauffeur | Gresson's Chauffeur |