People in the future live in a totalitarian society. A technician named THX 1138 lives a mundane life between work and taking a controlled consumption of drugs that the government uses to make puppets out of people. As THX is without drugs for the first time he has feelings for a woman and they start a secret relationship.

• American Zoetrope
• Warner Bros. Pictures
• Robert Duvall
• Donald Pleasence
• Don Pedro Colley
• Maggie McOmie
• Ian Wolfe
• Marshall Efron
• Sid Haig
• John Pearce