Han pasado 30 años desde que el Dr. Sam Beckett pisó el acelerador Quantum Leap y desapareció. Ahora se ha reunido un nuevo equipo para reiniciar el proyecto con la esperanza de comprender los misterios detrás de la máquina y el hombre que la creó.

Cybernetics engineer Fred Stiller uncovers a massive corporate conspiracy involving a virtual reality computer project.

Three computer-savvy kids, Naoto, Yuka and Ippei created their own videogame superhero, but then discover it possessed by an inter-dimensional police officer, Gridman. Pursuing an evil program called Kahn Digifer, he merges with Naoto and fights Kahn Digifer's digitized monsters in order to prevent the computerized demon from wreaking havoc on the Human World.