After Magnum daringly rescues a beautiful young woman - the daughter of a friend of Robin's - from a mobster's villa in Sicily, the girl comes to stay on the Masters Estate. As a result of the rescue, the girl quickly develops a crush on Thomas, and her presence puts strain on his relationship with his new girlfriend, and at the same time, curious things begin to happen. Thomas assumes that the Italian mobsters whom the girl was in the clutches of, are behind the questionable occurrences – unaware that T.C. is innocently giving them tourist flights around the island – but the trouble is actually coming from another source...