First broadcast 9th/16th/23rd September 1987.
While a hapless dentist keeps trying to kill his invalid wife, Taggart and his new partner, Mike Jardine, investigate the murder of a satanist private eye found burned in a tunnel on the day of the equinox.
Mark McManus ... DCI Jim Taggart
James MacPherson ... DS Mike Jardine
Annette Crosbie ... Maggie Davidson
Paul Young ... Colin Davidson
Vincent Friell ... Tommy Campbell
Jimmy Chisholm ... Malcolm McWhinnie
Ron Donachie ... Pat Connolly
Colin Gourley ... Father Martin
Isabella Jarrett ... Linda Abernathy (as Isabella Jarret)
Gavin Brown ... Derek Abernathy
Iain Anders ... Supt. Jack McVitie
Stuart Hepburn ... Kenny Forfar
Harriet Buchan ... Jean Taggart
Nic D'Avirro ... Roger Freedman
Sandra Clark ... Mary Freedman
Mona Bruce ... Queenie
Anthony Cochrane ... Dr. Crawford
Eliza Langland ... Sheila Foy
Deborah Poplett ... Grace McVitie
Ann Scott-Jones ... Marjory Bennett (as Ann Scott Jones)
Michael McCallum ... Minister
Mel Donald ... Douglas Abernathy
Maly Hunwick ... Nurse
Matthew Hodgman ... Glue Sniffer
Marie Louise O'Hara ... Samantha Foy
Robert Robertson ... Dr. Stephen Andrews
Brian Pettifer ... Ian Sommerville
Gilly Gilchrist ... Gordon Ferry
Billy Johnstone ... Billy Sweeney
Donalda Samuel ... Annie Johnstone
Anne Myatt ... Mrs. Campbell
Robert McBain ... Dr. Carson
Katy Hale ... Shona Freedman
William Blair ... Scott
Gordon Fulton ... DI Brodie
Alan Tall ... Ken (as Allan Tall)
Rhonda MacLeod ... Television Presenter
Frances Lonergan ... Moira Chrichton
Jamie Barnes ... Archie