- Genres Crime, Thriller
- Runtime 45 minutes
- Total runtime 13 hours 30 minutes
- Status Ended
- Network ITV
London 2008. A series of bloody, tragic and impossible crimes suggest someone is carrying out copycat Jack the Ripper murders 120 years after the killer first struck. The clock is ticking as the case turns into a hunt for an old adversary, with three unlikely heroes at the centre of it all.