Garry Kasparov, undisputed world chess champion, faces the computer Deep Blue. Helen Brock, vice president at IBM, convinces Garry to participate in the rematch of the century.

It is the confrontation of the century: Garry Kasparov vs Deep Blue. The supercomputer can calculate up to 200 million counts per second. Tensions arise within the two clans. Kasparov must make personal sacrifices.

Kasparov lost the second round. A computer beat one of the smartest human beings on the planet. Psychological warfare is launched on and off the chessboard. Helen Brock ignores Paul and P.C.'s advice.

Everything is ready for Round Four, but Garry Kasparov is missing. Helen Brock absolutely must find him. The rematch and his career are in jeopardy. Can she provoke Kasparov's ego and bring him back? Garry must confront his past.

Everyone's demons resurface and collide. Garry fights his growing paranoia, and must sort out fact from fiction. P.C. feels betrayed. Helen faces family tension while facing the biggest challenge of her career.

This is the final round. Humanity against the machine. Garry, Helen, PC, Paul and IBM go all out. Kasparov must find the loophole, the solution that will give him the ultimate advantage.