In the opening, KaibaCorp is doing research on the Millennium Puzzle. Suddenly, a mysterious cloaked man is seen at the underground shrine as one of Kaiba's bodyguards tells him that he is behind schedule and to speed up his progress, and that they will find someone who could if he cannot. A year after the departure of the Pharaoh, Yugi Muto and his closest friends are in their third and final year of Domino High School and are talking about what they will do in the future.