Several couples volunteer for human trials designed to treat psychological problems. At first, the treatment results are promising as their perception becomes clearer, but the couples start to perceive too much, and things turn deadly.
The movie is about a young man whose black-market sleep aid sends his mind time- travelling one day into the future, where he's the suspect in the disappearance of a girl he hasn't met, yet.
In this 1980 sci-fi horror film, William Hurt plays Eddie Jessup, a scientist obsessed with discovering mankind's true role in the universe. To this end, he submits himself to a series of mind-expanding experiments by taking hallucinogenic drugs.