A documentary on the hallucinogenic drug LSD, from its discovery at Sandoz Laboratories in 1943 through the halls of academe, to Golden Gate Park and beyond. Albert Hofmann, Timothy Leary, Baba Ram Dass, Ken Kesey, John Lilly, Frederick Meyers, Huston Smith and others describe the LSD experience and speculate on its use as a therapeutic tool, a religious sacrament and a revolutionary or counter-revolutionary agent. Produced by Adi Gevins.