Reclusive mathematician Stephen Ezard returns to England after years in China, finds his brother's widow, and becomes entangled in a plot involving a new national database (TIA) and a terrorist scheme.
Benedict Cumberbatch
Stephen Ezard
Anamaria Marinca
Yasim Anwar
Max Beesley
Michael Ezard
Robert Carlyle
David Russell
Eva Birthistle
Eleanor Brooke
Geraldine James
Barbara Turney
