The story of the Promethean struggles of Nikola Tesla, as he attempts to transcend entrenched technology—including his own previous work—by pioneering a system of wireless energy that would change the world.
A slick New York publicist who picks up a ringing receiver in a phone booth is told that if he hangs up, he'll be killed... and the little red light from a laser rifle sight is proof that the caller isn't kidding.