Daichi and Asuna are sent to investigate a string of localized earthquakes. Daichi spots a suspicious woman once they arrive. Not only that, but she then calls forth the monster, Teresdon, from underground. After driving the creature away with flares, the duo are then ordered to look into the identity of the woman. Someone matching her appearance is discovered, but that person is already dead. What will Asuna discover on the trail of this mystery woman? Teresdon and Ultraman X collide in the city at night!
