Based on a famous play, follows a bedridden wife who overhears a murder plan on her phone. She tries to piece the puzzle together and prevent it.
Director: Tony Wharmby.
Writers: Lucille Fletcher (earlier screenplay from radio play), Ann Louise Bardach (teleplay).
Stars: Loni Anderson, Carl Weintraub, Patrick Macnee, Diane D’Aquila, Miguel Fernandes, Hal Holbrook, Helen Hughes, Harvey Atkin, Alan Jordan, Barry Flatman, Bernard Behrens, Geoffrey Bowes, Ted Simonett, Keri Lyn, Marilyn Peppiatt.