In the London Underground, a cleaner is fatally bitten by a gigantic spider. Nick Cutter’s team is sent to investigate. In their search, they discover a maze of unused tunnels, and come nose to nose with an even more frightening creature.

A workman is injured in the London Underground and the team investigate the area to find out what caused his injury. Whilst one member becomes trapped, another risks their life by facing a strange creature.

Part I

Part II

Part III