In Boston, the three sacred artifacts that can enter another dimension to unlock the Yamata no Orochi, Yasakani no Magatama, Yata Mirror, and Kusanagi Sword, are on display. CIA agent Mai Shiranui (Maggie Q) is trying to find out the secrets of the three sacred artifacts from Iori Yagami (Li Weiyin), the heir of the Yagami family. Unexpectedly, Rugal breaks into the exhibition hall, steals the three sacred artifacts and hides in another dimension. Chizuru (Ye Fanghua), the heir of the Kagura family, reveals that the stolen Kusanagi Sword is fake, and entrusts Mai Shiranui to ask the Kusanagi family for help. After Rugal steals the artifact, he tricks the fighters of the KOF competition into entering another dimension, intending to become the King of Fighters. At the same time, Mai Shiranui and Iori Yagami ask Kusanagi Kyo, the heir of the Kusanagi family, to fight together in order to stop Rugal's plan. In order to investigate the crime in this dimension, the CIA also sends agent Terry to enter the dimension with Mai Shiranui and others... This film is adapted from the classic game of the same name.