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.

There is a rumor among Digimon about people with masks and no faces underneath. Hiro’s friend Kotaro loses his face and is worn out. Hiro suspects a Digimon is behind this and starts an investigation.