Final Fantasy VII: Advent Children

Cloud is contacted through Tifa and summoned to a meeting with the Shinra Company's former president Rufus Shinra, who was presumed killed in Final Fantasy VII. Rufus asks for Cloud's help to stop Kadaj, Loz, and Yazoo. The trio are physical manifestations of Sephiroth's surviving spirit, and are seeking to resurrect him using the remains of the extraterrestrial villain Jenova. Cloud refuses to help and leaves. Read more on Wikipedia.