TEKKEN: THE MOTION PICTURE

After being thrown off a cliff as a child, Kazuya Mishima enters the King of Iron Fist Tournament to extract revenge from his father, multi-billionaire Heihachi Mishima. Meanwhile, WWWC operative Jun Kazama and Hong Kong detective Lei Wulong also enter the tournament to investigate on Heihachi's illegal activities involving cloning and genetic engineering. A handful of other skilled fighters are also in it merely to win the grand prize of $1 billion, not knowing of the true purpose of the tournament and fate that awaits them. (Source: Anime News Network) — Description from AniList community (anilist.co).