The discovery of T.K.'s Crest of Hope reveals a cave engraved with Digi-code. Izzy receives an e-mail from Datamon asking for help from within Etemon's headquarters, a large upside down pyramid.
While traveling in the desert, Joe's Tag react, leading the group into a Roman-like coliseum. There, they are trapped 由 Etemon and Greymon is forced to fight another Greymon.
