Watch Movies2Watch. "This film follows one week in the life of a jazz trumpeter and heroin addict named David Allen, who is living in a communal drug rehabilitation center in Santa Monica, California called Synanon House, where individuals struggling with addiction voluntarily join together to help each other stay off drugs. The film is a Drew Associates production that was executive produced by Robert Drew and directed by Gregory Shuker, D. A. Pennebaker, and William Ray" (US National Archives).