In the huge and mysterious universe, a small but powerful energy source has existed for centuries. A team called the "Green Lantern Corps" maintains peace and justice, and each member is equipped with a ring with magical power. However, when a villain named Parallax broke in and threatened the balance of the universe, the fate of the "Green Lantern Legion" and the earth was in the hands of a new member, who was the first to be called the "Green Lantern" human Hal Jordan ().
Halben is a talented but arrogant test pilot, but the Green Lantern Corps does not particularly trust humans. Humans have never worn the ring of infinite power before. But Hal's decisiveness and willpower proved that he has a quality that the members of the Green Lantern Corps do not have, that is, "humanity." In childhood friend and fellow child-Carlo Felice (encouragement), as long as Hal can quickly master the new forces, and to overcome his shortcomings, he will prove himself not only Defeating Parallax will also become the greatest Green Lantern in history.