Courtenay John Dayre is drugged by a jealous spy on the night before his loveless marriage to Anthea. His twin, John Courtenay Dayre, reluctantly agrees to impersonate his brother at the wedding, only to discover a genuine affection for his accidental wife. Meanwhile, Courtenay begins to understand the price of things when he discovers that his affair has allowed a valuable military secret to be stolen.
| Writing | Elinor Glyn | Novel |
| Production | Elinor Glyn | Producer |
| Writing | Lady Juliet Rhys-Williams | Writer |
| Camera | Charles Rosher | Director of Photography |
| Directing | Elinor Glyn | Director |
| Production | John Harding | Production Manager |
| Art | C. Wilfred Arnold | Art Direction |
| Art | Margot Davson | Art Direction |
| Directing | Lady Juliet Rhys-Williams | Continuity |
| Editing | Leslie Norman | Editor |
| Sound | Albert Ross | Sound Recordist |
| Costume & Make-Up | Lucy Duff Gordon | Costumer |
| Sound | John Collinson | Songs |
