Various undesirables and hippie drifters are invited to the luxury, ultra-modern country home of Dr. Antonio and his wife; when they begin to vanish, it becomes clear that something sinister — and deadly — is afoot.

CBS TV news special hosted by Harry Reasoner explores the way-out world of the Hippies and the Haight-Ashbury psychedelic 1960s LSD scene. Footage of LSDs users experiencing bummer trips. The Diggers, the Oracle and cool street and Golden Gate Park scenes with hippies tripping out. The Grateful Dead are interviewed and are shown perfo...