An aerial monster appears from hyperspace. DASH needs to keep it from crashing down on the city.
Strange monsters, identified as Gomorasaurases, are spotted. A female reporter believes they are smuggled in by an organization developing bioweapons. She leads DASH to where she believes a monster nest is.
Kaito meets a writer and a mysterious woman. But what is a dream, and what is reality?
Kaito goes along with Tomioka inspect UDF Base Poseidon. There, the Chief reunites with old friends, but is interrupted by a monster.