

The intrepid cops go undercover at a mental hospital, with Starsky as a patient and Hutch as an orderly, to investigate a number of mysterious patient deaths that have occurred at the asylum. With a female journalist, also undercover as a patient, they uncover that someone in the hospital is illegally using patients as human guinea-pigs for the testing of behaviour modification drugs...
Concluding this feature-length / two-part story. Still undercover at the lush resort of Playboy Island, Starsky and Hutch must find out who is behind the voodoo murders and why, but as they look into the strange goings-on surrounding billionaire recluse William Thorne, they find themselves battling the black magic of a powerful witch doctor...