Daisuke sees a rival in Ken Ichijouji, as he makes a desperate tackle to stop Ken in a soccer game. The two boys make up afterwards as they recognize each other's special ability. After the game a Control Spire suddenly appears in Death Valley. Daisuke and his friends go to check it out only to fall in Digimon Kaiser's trap. Daisuke is furious at Digimon Kaiser as the evil emperor toys with his friends who are being held hostage. It's then Daisuke realizes Digimon Kaiser's scratch, the same injury Ken received during the soccer match.