Iron Bright Doctor Who The Monthly Adventures 239 The Doctor lands in London in 1828 and The Brunels are digging a tunnel under the Thames… This had the feeling of Mark of The Rani - an historical setting, not that far in the past. The historical figure - Isambard Kingdom Brunel, workers scared of ghosts etc. A standard plot and felt flat. Things change in the second half of the story, as it doesn’t play out in the way you might think. As episode three continued I had to go back and relisten as I wasn’t taking it in, and even when I did I found myself questioning the plot. It kind of felt like a tangent, though it all came together. Without wanting to give too much away the overall plot ...