First broadcast 14th January 1984.

Scotland Yard recruits the Beresfords to infiltrate an exclusive gambling club and expose the mysterious and ruthless gang of counterfeiters operating there.

Francesca Annis ... Tuppence Beresford
James Warwick ... Tommy Beresford
Shane Rimmer ... Hank Ryder
Carolle Rousseau ... Marguerite Laidlaw
Christopher Scoular ... Captain Jimmy Faulkener
Arthur Cox ... Inspector Marriott
Reece Dinsdale ... Albert
David Quilter ... Major Laidlaw
Lawrence Davidson ... Monsieur Heroulade
Peter Godfrey ... Maybrick
Stan Pretty ... Harry
Terence Hillyer ... Chauffeur