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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.
First Air Date : Feb 17, 2008
Last Air date : Mar 16, 2008
Episode : 5 Episode
Season : 1 Season
Runtime: 60:14 minutes
Studio: BBC One
