The scientist Dr. Martin (played by Bill Pullman) spends his days working among jars of preserved brains, until he’s asked to put his theories into practice and assess Halsey (Bud Cort). Halsey was once an important mathematician but now struggles with paranoid schizophrenia. Dr. Martin believes it might be possible through surgery to recover his memories. This prospect excites Reston (Bill Paxton), a corporate colle…