If It's a Man, Hang Up (1975)

Synopsis: Susie Martin, a young model, starts receiving anonymous phone calls and from that day on her life changes forever as the calls become increasingly horrifying and she hasn't a clue as to which of her many admirers it could be. Susie Martin, a young model, starts receiving anonymous phone calls and from that day on her life changes forever as the calls become increasingly horrifying and she hasn't a clue as to which of her many admirers it could be. [More]