"Cause and effect. It applies to everything."
Taren Capel's legacy is unleashed, and death stalks the streets. As Uvanov fights for his career and his life, Paullus contacts a force which could be the salvation of the people of Kaldor - or their destruction.
With Carnell gone, Iago is the only one who can save the City from its fate - but to do that, he must sacrifice everything...
Kaldor City: Checkmate uses characters and concepts from Chris Boucher's Doctor Who serial Robots of Death and novel Corpse Marker, to tell an apocalyptic tale of subterfuge and revelation.
Directed by: Alistair Lock
Produced by: Alan Stevens
Creative Consultant: Chris Boucher
Starring: Paul Darrow, Russell Hunter, David Bailie, David Bickerstaff, David Collings, Trevor Cooper, Nicholas Courtney, Brian Croucher, Rachel Fishwick, Miles Gould, Peter Halliday, Patricia Merrick, Peter Miles, and Tracy Russell