An unnamed man, simply called "The Man" is trapped in a cubical white room where anyone else can enter and leave, but which he himself apparently cannot leave. A stool is brought in covered in strawberry jam, the furniture changes throughout the play. The main character, is subjected to an increasingly puzzling and frustrating series of encounters, as a variety of people come through various hidden doors. But, as many remind him, he can only leave through his own door, so he must find it to leave.

An attempt by NBC to emulate the success of the CBS hit The Twilight Zone, this hour-long anthology series showcased different actors, stories and creative talent each week.