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.
| Title | Time | |
|---|---|---|
| 1 | Episode 1 | 2008-02-17 |
| 2 | Episode 2 | 2008-02-24 |
| 3 | Episode 3 | 2008-03-02 |
| 4 | Episode 4 | 2008-03-09 |
| 5 | Episode 5 | 2008-03-16 |