El científico Eddie Jessup (William Hurt) cree que hay otros estados de conciencia que son tan reales como la vida cotidiana. Utilizando la privación sensorial y añadiendo medicamentos potentes y alucinógenos, investiga estos estados alterados y soporta experiencias que hacen que la locura parezca una bendición.
John C. Lilly is the inventor of the isolation tank, as well as pioneer of studies in dolphin intelligence and support of psychedelics as a positive means for expanding consciousness. The storytelling will be supported by interviews with Lilly’s contemporaries and colleagues, as well as extensive archival records.