Five non-consecutive days of police investigations into mysterious events are shown, starting on the first day and ending at the resolution of the mysteries.
- Starring: Nikki Amuka-Bird, Hugh Bonneville, Charlie Creed-Miles, Philip Davis, Patrick Malahide
- TV Network: HBO
- Premiere Date: Oct 2, 2007
- Genre: Drama
- Executive producers: Hilary Salmon, Simon Curtis