Digimon Adventure tri. 3: Kokuhaku
After Meicoomon disappears, Koushiro fails to get any answer from an unresponsive Meiko, and fearing that their Digimon friends may be infected as well, he puts them under quarantine in his office. However, their fears are confirmed when Patamon starts showing signs of the illness, and Agumon and the others use Hikari's voice to tell their human partners about an important secret concerning the Digital World. Taichi and the other chosen children are shocked after the big secret is revealed to them. Despite their entangled feelings, they make a decision...
Summaries provided by MyAnimeList.net