‘Ah! My Goddess Movie’
Trouble in Paradise! Belldandy’s mentor, Celestin, was imprisoned for attempting to overthrow the Goddess system, but now he’s back! Using a system virus, Celestin, corrupts the Goddess system and removes all of Belldandy’s memories of Keiich! Will Belldandy’s love for Keiichi prove to be the key to ruining Celestin’s plans, or will it be the final ingredient necessary to destroy our reality?!
Descriptions taken from AniDB.net