Lenny Flem Jr. is the only one standing between his evil-genius best friend, Casper, and world domination as Casper uses a spectacularly convincing fake mustache and the ability to hypnotize to rob banks, amass a vast fortune, and run for president.

Twelve-year-old Jackson Opus is descended from two powerful hypnotist bloodlines, but he has just begun to realize that he can control other peoples' actions with sometimes frightening results--especially when the head of the Sentia Institute plans to use Jackson for his own benefit.