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1 season Β· 5 episodes total Β· ~5 per season.

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.
βSome stories are better left unspoiled.β
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Benedict Cumberbatch
Stephen Ezard

Anamaria Marinca
Yasim Anwar

Max Beesley
Michael Ezard

Robert Carlyle
David Russell

Eva Birthistle
Eleanor Brooke

Geraldine James
Barbara Turney

David Harewood
Patrick Nye

Alex Caan
Haman
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