Tune in Tomorrow… (1990)

Director: Jon Amiel
Cast: Barbara Hershey, Bill McCutcheon, Jerome Dempsey, Keanu Reeves, Patricia Clarkson, Peter Falk, Richard B. Shull, Richard Portnow

Synopsis:

Martin works at the local radio station, which just hired a new scriptwriter with a reputation for great drama, Pedro Carmichael. Martins aunt Julia, not related by blood, returns home after many years away and Martin falls for her. Once Pedro finds out about this romance, he starts incorporating details of it into the script of his daily drama series. Soon, Martin and Julia are not only hearing about their fictional selves over the radio, but about what they are going to do next.