Tormented is a 1960 horror movie directed and produced by Bert I. Gordon for Allied Artists Pictures Corporation, and starring Richard Carlson.
Jazz pianist Tom Stewart Carlson, who lives on a Cape Cod island community, is preparing to marry his fiancee Meg. Shortly before the wedding, Toms old girlfriend Vi Juli Reding visits and informs him that she will end Toms relationship with Meg, using blackmail if necessary. While arguing on top of a lighthouse, the railing Vi is leaning against gives way. She manages to briefly hang on, but Tom refuses to help and watches her fall to her death.The next day, Tom sees Vis body floating in the water. He retrieves her only to see the body turn into seaweed. Tom tries to forget what hes seen, but over the next several days, all manner of strange occurrences happen. Vis watch washes up on the beach and mysterious footprints appear in the sand. Before long, Vis ghost appears and tells Tom that she will haunt him for the rest of his life. ........
Source: Wikipedia