"Beau" (John Hamilton) and "Chattie" (Vivien Oakland) invite a rather eclectic mix of folks to join them for a party at their remote island home. Or do they? The arrival of their guests proves quite bemusing as they didn't actually ask anyone! Who has lured these people here and why? Well body number one arrives shortly afterwards (then disappears) and as others soon start to mount up, we have a mystery that it falls to mechanic "Blair" (Peter Cookson) and the suspicious "Ann" (Lorna Gray) to try and solve before they, too, go the way of the dodo at the hands of the famed ghost of this ramshack...