British Army radiation drills at a remote Scottish base attract a subterranean, radioactive entity of unknown nature that vanishes, leaving two severely radiation-burned soldiers... and a bottomless crack in the earth. Others who meet the thing in the night suffer likewise, and with increasing severity; it seems to be able to absorb radiation from any source, growing bigger and bigger. What is it How do you destroy a thing that feeds on energy
When a group of scientists developing an engine for interstellar travel see their funding cut after a fatal disaster, the disgraced group must resort to criminal activity to finance their operation as they rebuild their space time device.