Despire the recent attack by Akuma, the spirits of the Black Order members remain high as they prepare to move to a new location. However, upon arriving, Allen Walker is summoned urgently to the Central Agency, and although he is initially hesitant, he is ultimately forced to comply with the Order's request to seal his arm. This leads to an unexpected reunion with his mentor, General Cross Marian, who reveals shocking revelations about the mysterious 14th Noah. As the team delves deeper into a case involving a phantom thief, an enigmatic group of Exorcists emerges, a key ally falls in battle, and a brutal confrontation with the Noah Family unfolds, leaving Allen, Yuu Kanda, and their fellow warriors unsure of what lies ahead. Nevertheless, these strange and seemingly unrelated events are merely the opening salvos in a much larger, more complex plan.