An insurance investigator tumbles onto a series of similar deaths, by brain hemorrhage, of patients of a psychiatric clinic in France where therapy involves a device which can implant visual imagery in the minds of patients, ostensibly to help them relax.
Key credits listed on this page include David Paltenghi, Montgomery Tully, Charles Eric Maine, Rod Cameron, Mary Murphy, Meredith Edwards, Peter Illing, and Carl Jaffe.