First broadcast 21st/22nd January 2010.
Ruth Gardiner falls to her death from a squat in a high-rise block and Leo - unlike D.I. Neill - realises that she was murdered though Neill seems reluctant to launch a public appeal.
Akiya Henry - Ruth Gardiner
Adam Redmore - Young Man
William Gaminara - Professor Leo Dalton
John Bowe - D.I. Barry Neill
Emilia Fox - Dr. Nikki Alexander
Denise Gough - Danielle Boyce
Nyasha Hatendi - Alex Webb
Alec Newman - Peter Carmody
Natalie J. Robb - Amanda Fry
Leo Wringer - Frank Gardiner
Diana Hardcastle - Mary Bradburn
Tom Ward - Dr. Harry Cunningham
Frances Tomelty - Anne Cunningham
Matthew Wynn - Robert Alanson
Jonathan Penton - Landlord
Sara Stephens - Angela Carmody
Kate Williams - Glenda Carmody
Akiya Henry - Ruth Gardiner
Tat Whalley - Matthew Parsons
Alice Bhandhukravi - News Reporter
Jaye Griffiths - Janet Mander
Clive Hayward - D.I. Neil Gaunt
Gary Shelford - Surveyor
