Note: Fifth CD in the spin-off Kaldor City audio drama series, which uses the same setting and characters as classic Fourth Doctor TV story The Robots of Death and novel Corpse Marker.
"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 the characters, situations and settings that appear in Chris Boucher's Doctor Who novel Corpse Marker to tell an apocalyptic tale of subterfuge and revelation.