The story concerns a State Department officer, Martin Lambert, who is accused of betraying his county after he receives a secret order to leak confidential policy paper as part of a secret diplomatic maneuver.
When the persons who gave the secret order are involved in a plane crash, Lambert finds himself on his own.
The cast included Richard Basehart as Martin Lambert, Leora Dana as Eleanor Lambert, John Williams as Walter Ferguson, Susan Oliver as Valerie Ferguson, Alexander Scourby as Barragrave, and John Hoyt as Andrews.
[1] Fred Danzig of the UPI praised the performances of Scourby and Basehart, but criticized the "theatrical aura around what should have been reality" and several "melodramatic, shadow-filled, slow-talking scenes.
"[2] "A Dream of Treason" was the last regularly-scheduled episode of Playhouse 90 in its regular Thursday evening time slot.