Fast moving Sci-fi fantasy adventure. This is the fourth book in the Universe Wide Web series. Jack, our hero, encounters a new and deadly threat - the dark web. Three of his colleagues disappear in their attempts to infiltrate the dark web. Jack must find them. He must venture onto the dark web, where he encounters many dangers from sites providing all those things made illegal on the uni-web proper - street-fighting to the death, online weapons sites, religious cults, alluring party rooms, and the online slave and meat auction sites. He also has a number of close encounters with old foes and new.En route, he witnesses the most amazing tide in the universe, visits the home of a woolly mammoth tribe and gets attacked by Russian aircraft.

He also starts to wonder who is on his side now - who can he trust? And who is this Crackpot that wants to befriend him? And what part does the Earth play in all this?As the plot starts to unfold, the realisation dawns on Jack that he only has hours to save the uni-web and to save mankind.