Searching for a mysterious hacker when her Overworld team is invited to compete in an exclusive tournament, Marisa discovers that the event is rife with corruption, infighting, and dangers that render winning the only way to survive.

"Even in a world where technology connects everyone's minds, it would seem that some secrets can still remain hidden. For all the mysteries teen hacker Marisa Carneseca has solved, one has always eluded her: When she was two years old, she was in a car accident in which she lost her arm and a mob boss's wife, Zenaida de Maldonado, lost her life. No one can tell her what she was doing in that car, or how it led to the feud between the Carnesecas and...