First broadcast 18th February 2007.
A middle-aged Oxford graduate is found murdered.
Sasha Behar - Catherine Linn
Richard Lintern - Sefton Linn
Crispin Redman - Dean Greely
Sian Thomas - Ingrid Nielson
Adrian Rawlins - Harry Bundrick
Richard Dillane - Theodore Platt
Kevin Whately - DI Robert Lewis
Laurence Fox - DS James Hathaway
Clare Holman - Dr. Laura Hobson
Rebecca Front - Chief Superintendent Jean Innocent
Anna Massey - Prof. Margaret Gold
Diana Payan - Petra Bundrick
Anna Madeley - Anne Sadikov
Ellie Kendrick - Megan Linn
Nicola Redmond - Tina Daniels
Martyn Whitby - John Staunton
Mark Spalding - Love Lines Supervisor
Colin Dexter - Oxford Don in Dining Room
Christopher Fosh - Policeman
Ross Smith - Garden Party Guest
Brian Teles - Forensic Technician