All irregularities will be handled by the forces controlling each dimension. Transuranic, heavy elements may not be used where there is life. Medium atomic weights are available: Gold, Lead, Copper, Jet, Diamond, Radium, Sapphire, Silver and Steel. Sapphire and Steel have been assigned.
When Sapphire and Steel arrive at Blackledge Prison, an unexplained death proves to hold the first of an intriguing series of inconsistencies. What has happened to Time?
Steel: David Warner
Sapphire: Susannah Harker
Silver: David Collings
Michael Kent: Trevor Littledale
Marian Anderson: Jo Castleton
Richard Hanmore: Arthur Bostrom
Ian Jackson: Neil Cole
Hammond: Michael Chance
Mo Jackson: Linda Bartram