During World War I, a female agent tries to unmask a German spy.
| Actor | Role |
|---|---|
 Jetta GoudalMiss Hawtree / Fräulein Marks | Miss Hawtree / Fräulein Marks |
 Robert AmesFrank Bennett | Frank Bennett |
 Henry B. WalthallGeorge Bennett | George Bennett |
 Edythe ChapmanMrs. Bennett | Mrs. Bennett |
 Clarence BurtonJohn Ames | John Ames |
 Ed BradyFirking | Firking |
 Rupert JulianThe Kaiser | The Kaiser |