On social media, rumors of a mysterious phenomenon, known as "Hologram Ghosts," are spreading. Hiro Amanokawa, a first-year junior high school student, activates a mysterious device left behind by his father, and encounters a Digimon called Gammamon.

A mysterious group of crows are going around releasing captive birds around the city, including Ruli’s friend’s pet sparrow. The gang agrees to track down the missing bird and get to the bottom of this unknown threat.

Kiyoshiro takes the gang to a geothermal power plant that he helped set up when all of a sudden, they find themselves in freezing temperatures. How will they get out of this icy hell?

Hiro and Ruli visit a theme park when a couple of Digimon show up looking for Blacktailmon, who has been visiting Hiro. Things get heated when Hiro's confronted, and Gammamon steps up to fight.