From the Dead of Night (1989)

After having a near death experience Joanna finds her life in constant danger. She begins to believe that certain forces are trying to bring her back into the world of the dead. Her boyfriend Glen thinks she's crazy so Joanna turns to her ex-boyfriend, Peter. It just so happens that Peter is a strong believer in the supernatural and even teaches a course on it at a local college. Together they must confront the "walkers" so that Joanna can live to see another day.