In the wake of his parents' separation, ten-year-old Billy seems to have continual conflicts with his father, who is also his basketball coach, but his quiet, younger brother Ben, a piano prodigy, is having even more trouble adjusting, and only Billy seems to notice.

Fourteen-year-old Billy Harriman's dad had been a hero, a savior to America and a confidante of the president. Then he died, and the changes began in Billy. What Billy never knew was that his father was no ordinary man--he was a superhero, battling the world's evil. And now it's Billy's turn to take on the fight. Fourteen-year-old Zach learns he has the same special abilities as his father, who was the President's globe-trotting troubleshooter until...