A sultry voice in the dark is a call to passion - and murder. Adrienne Welles is a wealthy society wife whose marriage hits rock bottom when she discovers her husband's obsession with a phone-sex girl named Laura. One evening, Adrienne returns home to find her husband gone. On the answering machine is his last conversation with Laura, cut short by his own bloodcurdling scream. With the help of a private detective, Adrienne goes in search of the mysterious Laura, descending into a seamy underworld of fatal attractions and deadly connections.