After the world was saved by the Seven Heroes years ago, including the mighty Seomun Yeop who sacrificed himself, peace reigns but the espers, like the heroes, are now redundant. Enter Battle Field, an action-packed VR game designed for espers to flaunt their powers. Korea's performance in tournaments has dwindled, casting doubt on its former glory. Yet, a beacon of hope emerges as Seomun Yeop, the once-greatest esper, resurfaces. Can this legendary figure rescue his nation once more?