**_Nimoy investigates mysteries at a manor on the coast of Eng_**land Shot in 1971, this was the pilot movie for a potential Brit series that never materialized. Nimoy’s costar is winsome Susan Hampshire and, as a team, they play psychic detectives, using his visions and her expertise in ESP and the occult. It’s basically a more lowkey version of ensuing pilot movies “The Night Stalker,” “The Norliss Tapes” and “Spectre.” Of course, only “Night Stalker” went on to become a series and, then, only for one season (barely). “Baffled” comes across more as a convoluted Agatha Christie mystery…