"Oh no, not again..."
It’s the ultimate in mass transit systems, a network of interstitial tunnels that bind the planets of the solar system together. Earth to Pluto in forty minutes with a supersave non-premium off-peak travelcard.
But something is living in the network, chewing its way to the very heart of the system and leaving a trail of death and mutation behind it.
Once again a reluctant Doctor is dragged into human history. Back down amongst the joyboys, freesurfers, chessfans, politic...