A recording device made by Alexander Graham Bell assists in the investigation of a murder at a dinner honoring Helen Keller.
Elenco:
Yannick Bisson
,
Helene Joy
,
Lachlan Murdoch
,
Thomas Craig
,
Jonny Harris
,
Georgina Reilly
,
Jonathan Watton
,
Siobhan Murphy
,
Mouna Traoré
,
Paul Rhys
.