First broadcast 14th November 1982.
When a South American student, an apparent cocaine trafficker, is shot dead, Cowley takes his sister, Diana, into protective custody to discover who is organizing the racket.
Gordon Jackson - George Cowley
Martin Shaw - Doyle
Lewis Collins - Bodie
Alice Krige - Diana Molner
Ewan Stewart - Rudiger Molner
Harold Innocent - Northcott
Maggie Henderson - Jane
John Line - Somerfield
Don McKillop - Maclean (as Donald McKillop)
Alexander Davion - Torres
George Raistrick - Smith
Robert McBain - Deville
Andrew MacLachlan - Powell
Robert Morgan - Philip Latimer
P.H. Moriarty - Harris
Geoffrey Freshwater - Dodds
Bernard Finch - D.I. Harrington
Colm Daly - Student
Jim Wiggins - Dr. Roberts
Jackie Downey - Receptionist
Roger Owen - Driver
Barry Copping - 1st Ambulance Man