A Memory For The Future  - Movie (1981)

Description

Also titled The 20 Mile Limit, this is a short film that ran on Showtime between feature film showings. It centers on a dystopian government that has created a new present: the Evolutionary Reconstruction. This government has instated a 20 mile limit in the ocean, past which nobody can travel due to deadly radiation. Claire Lucas and Fred Hunter believe that there is more to the story.