On the surface, Lee "Jacko" Jackson and Mark Aliss appear to be normal, but they are far from it. Jacko is a professional hacker and Aliss a former child genius, together they run an innovative security company "Brittle Star Security" providing a unique service. Paranoid companies hire B.S.S. to stage a mock attack on their systems and operations and in doing so highlight weaknesses resulting in a fortress so impregnable a court order would be needed to gain access. Not so surprisingly their line of work leads them into some unsavoury circles and it is through one of these unsavoury circles the opportunity of a lifetime presents itself. An eleventh-hour entry into a scheme to rob The Royal Mint, and if you think they can't do it then you don't know JACK - O