Overview
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.
Cast & Creators
Created by: Peter Berry
Cast: Benedict Cumberbatch, Anamaria Marinca, Max Beesley, Robert Carlyle, Eva Birthistle, Geraldine James, David Harewood, Alex Caan
