"When an ally betrays the Urban Outlaws and steals a dangerous computer virus, the kids have no choice but to team up with a shadowy figure known as "The Shepherd" to take down their foe, and as they explore the unfamiliar streets and secret passageways of New York City and Los Angeles, they once again risk everything to save themselves. . . and the world"--

Deep beneath London, five extraordinary youths, orphans who bonded over their shared sense of justice, have formed the Urban Outlaws and dedicated themselves to outsmarting criminals and performing Random Acts of Kindness (R.A.K.s), but they are in serious trouble when the face a genius super-computer, Proteus.