First broadcast 28th July 2008.
Brian finally locates Jack who returns to the UCOS team but remains silent about his lengthy absence.
Alun Armstrong ... Brian Lane
James Bolam ... Jack Halford
Amanda Redman ... Det Supt Sandra Pullman
Dennis Waterman ... Gerry Standing
Anthony Calf ... D.A.C. Strickland
Susan Jameson ... Esther Lane
Paula Jennings ... Paula Standing
Angela Sims ... Lori Slade
Trevor Byfield ... Clive Evans (as Zig Byfield)
George Costigan ... Dave Dalston
June Watson ... Gail Fletcher
Richard O'Callaghan ... Will Carter
Roger Lloyd Pack ... Danny Jones
Patrick Pearson ... Lance Cooper
Peter Guinness ... Charlie Webber
Amelda Brown ... Stacey Anne Martin