A 14-year-old (Casey) leads his two half-brothers (H, 19 years old and baby Severino) on a journey to find and live as a family with his father after their mother dies.
Dans les années 1960, le psychiatre R.D. Laing est le pape de l'antipsychiatrie depuis son centre de Kingsley Hall. Il autorisa notamment l'utilisation médicalisée du LSD.