Near an abandoned hospital as the rumors have gone around, a mysterious phone booth is a clue to a mystery. Tagiru and Yuu along with their Digimon partners go to investigate only to meet a Spirit hunter named Kaoru. Following her to an abandoned power plant to seek out answers. While they are there they run into Airu, who set traps inside. She states that her Opposumon was taken control by a ghost. As Kaoru mysteriously vanishes in thin air the Hunters don't know what's ahead of them...