A TV director facing the end of his career decides to try LSD in an attempt to get his creative juices flowing, but is not prepared for the terrifying hallucinations that assail his consciousness. Jack Nicholson-scripted psychedelic drama, directed by Roger Corman and starring Peter Fonda, Bruce Dern, Dennis Hopper and Susan Strasberg.

After his wife leaves him, a disillusioned director dives into the drug scene, trying anything his friend suggests.