Watch Bleach Movie 1: Memories of Nobody Online

"Hell" is the place where a person is sent to who committed violent crimes when they were alive. Shinigami are forbidden to go there. One day prisoners revolt and make their escape to Karakura - the real world - where Ichigo and his friends live in. Ichigo and his friends are defeated one after the other by prisoners with overwhelming power. A mysterious man appears who comes to their rescue. With Kokutou leading the way Ichigo, Rukia, Uryuu, and Renji marches into Hell to save the world.

A mysterious reiatsu (spiritual particle) explosion occurs in the center of Seireitei in Soul Society, causing it to be destroyed. At the exact same time, a major change overwhelms Kuchiki Rukia, which leaves her losing something important inside. Urahara Kisuke sends Kurosaki Ichigo to Soul Society to investigate the disturbance. Upon reaching Seireitei, Ichigo is set upon and attacked by shinigamis, once allies, who have no memory of him and Rukia. Now alone and on the run, Ichigo must find the missing Rukia and uncover the cause of the mysterious incident before it's too late.

When an artifact known as the "King's Seal" is stolen during transport from Soul Society, Hitsugaya Toushirou is assigned to retrieve it. Toushirou goes missing after a battle with the thieves, leading Seireitei to suspect him of treachery. They order his immediate capture and execution. Unwilling to believe him capable of such a crime, Ichigo, Rangiku, Rukia, and Renji set out to find Toushirou and clear his name. Meanwhile, Toushirou is still searching for the thieves, and stumbles upon a dark secret involving a shinigami long since dead.

In Karakura Town, there has been a sudden outbreak of unidentifiable spirits called blanks (vacant souls) while in the skies of Soul Society, the real world has been reflected. A mysterious female shinigami called Senna has appeared before Ichigo along with a man named Ganryuu, leading a group called the Dark Ones.