Black Rainbow

"Black Rainbow" is a 1989 British psychological thriller film directed by Mike Hodges, starring Rosanna Arquette as Martha Travis, a medium who makes contact with spirits "on the other side" and connects them with their loved ones still alive. Trouble begins when she gives a message to Mary Kuron, whose husband Tom is not dead... yet. Martha's knowledge of Tom's impending death and the identity of the murderer puts her in grave danger, with investigative journalist Gary Wallace (Tom Hulce) following the couple to uncover the truth.