In 1903, Doctor Huntington Bailey meets a friendly older lady during a train trip. She tells him that she is going to visit her brother Nick and his lovely young wife Allida. Once in New York, Bailey hears that his train companion suddenly died. Shortly afterward, he meets the strange couple and gets suspicious of Nick's treatment of his wife.
| Directing | Jacques Tourneur | Director |
| Writing | Margaret Carpenter | Novel |
| Writing | Warren Duff | Screenplay |
| Production | Robert Fellows | Executive Producer |
| Crew | Vernon L. Walker | Special Effects |
| Camera | Tony Gaudio | Director of Photography |
| Directing | Dewey Starkey | Assistant Director |
| Art | Darrell Silvera | Set Decoration |
| Sound | John E. Tribby | Sound Recordist |
| Art | Albert S. D'Agostino | Art Direction |
| Production | Warren Duff | Producer |
| Art | Claude E. Carpenter | Set Decoration |
| Art | Jack Okey | Art Direction |
| Sound | Roy Webb | Original Music Composer |
| Sound | C. Bakaleinikoff | Music Director |
| Editing | Ralph Dawson | Editor |
| Costume & Make-Up | Edward Stevenson | Costume Design |
| Costume & Make-Up | Leah Rhodes | Costume Design |
| Sound | James G. Stewart | Sound Re-Recording Mixer |
