A young woman who can't hear leaves home and travels to Haight-Ashbury, San Francisco, searching for her brother, known as The Seeker (Bruce Dern). While there, she connects with a psychedelic band and is introduced to the hippie lifestyle. Jack Nicholson portrays the band’s leader, alongside Dean Stockwell, Adam Rourke, and Max Julien. “Psych-Out” (1968) has more of a narrative than Roger Corman's “The Trip,” whi…