Magical girl Oriko Mikuni can see the future, and one terrifying vision convinces her that a single future witch will bring overwhelming destruction. Determined to prevent that outcome before it begins, Oriko tries to manipulate Kyubey’s choice of new magical girls and directs his attention toward the vulnerable orphan Yuma. Her attempt to change fate sets multiple magical girls on a collision course, raising the question of how much harm can be justified in the name of stopping a disaster that has not happened yet.