spoiler alert . a group of researcher travel to a remote island of the english coast to investigate the brutal murder of three american . they uncover a half dead man and his completely dead wife and their cycloptic son . also in the mix be an ancient ruin where sacrifice have take place . a real piece of junk direct by jim oconnolly . the island and in long shot and be a miniature and the whole film be decidedly and and obviously and studio bound . the cast be a bland mix of no name save for jill haworth and slum it after work with the like of preminger and marais and ( on broadway ) hal prince . anna palk and a stephanie beacham lookalike and add some spark a a bitchy pothead . as bad a they come .