Jack Griggs, director general of MI5 takes a call at the end of a meal with his team and private investigator Ed Case. A man who calls himself Mercury has hidden five large explosive devices around the city. He tasks Team Nemesis and Nemesis only to hunt down and deactivate the devices within fourteen hours. The team can only travel on foot or by public transport and cannot have any outside help. Mercury has taken control of the capital's CCTV and if he detects any outside help he will detonate all the devices simultaneously at the cost of thousands of lives. Ed agrees to join the team to allow the team's computer expert to remain at HQ to help with deciphering the clues to the location of the devices. What follows is a terrifying ordeal where the team are forced to fight for their lives to save the city.

English by birth but after 30 years of daily grind, earning money for fat cats that don't really need any more money, John relocated to Thailand to teach English. His first novel, Black Cockles was published in 2010 but was only available in paperback until now. The sequel, Nine Lives, was published in 2012. His third novel, Vengeance was published in January 2014 and the sequel to Nine Lives in due for release in the summer of 2014.