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.

Digimon are being killed indiscriminately, and the gang comes face to face with an urban legend. Hiro and the others formulate a plan to take the rumored executioner down, when something unexpected happens.

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?

Something is turning the Digimon all over town into violent bugs that attack people! Clockmon comes to seek the help of Hiro and the gang to stop this violence.