An airliner makes a forced landing at night in the desert. The passengers and crew take refuge in a nearby deserted house. Soon some of the passengers are found murdered, and one of the passengers reveals himself to be a detective who was guarding one of the murdered passengers, who was carrying a bag of diamonds--which is now missing. The detective must find out which of the passengers is the killer.
| Actor | Role |
|---|---|
 Gene MorganCapt. Randall 'Randy' Gordon | Capt. Randall 'Randy' Gordon |
 Doris HillDoris | Doris |
 Glenn TryonTommy Preston, the Co-pilot | Tommy Preston, the Co-pilot |
 Vera ReynoldsRuth, the Airline Stewardess | Ruth, the Airline Stewardess |
 Ethel WalesPrudence Daggott | Prudence Daggott |
| MMonaei LindleyMonica van Buren | Monica van Buren |
 Syd SaylorBuchanan, the Prizefighter | Buchanan, the Prizefighter |
 Sidney BraceyMcGinnis, posing as Professor Marmont | McGinnis, posing as Professor Marmont |
 Lloyd WhitlockFloyd Martin | Floyd Martin |
 James B. LeongLing | Ling |
| WWilliam P. BurtHarvey Forbes | Harvey Forbes |
 Henry HallDr. Wingate, the Parson | Dr. Wingate, the Parson |
 William HumphreyProfessor Hartley | Professor Hartley |