First broadcast 26th July 1979.

Lured by a vision of his father, Rob walks into a trap in the basement.

David McCallum ... Steel
Joanna Lumley ... Sapphire
Steven O'Shea ... Robert Jardine
Tamasin Bridge ... Helen Jardine
Val Pringle ... Lead
Felicity Harrison ... Mother
John Golightly ... Father
Ronald Goodale ... Countryman
Charles Pemberton ... Policeman