The Forgers go look for a dog for Anya's reward for getting a Stella. In the middle of their outing, Loid ends up having to work a mission to stop a terrorist bombing attack planned against Westalis's foreign minister. Meanwhile, Anya is trying to pick out a dog, but then sees a vision of her family when she randomly reads the mind of a giant, mysterious, white dog. Anya becomes curious and chases after the dog, but she ends up accidentally wandering into the hideout of the terrorists!

Anya meets a mysterious dog who can see into the future. They were able to escape from the terrorists with the dog's help, but eventually, they fall back into the hands of the terrorists again. And then Yor shows up and attacks the enemy! Soon after, the dog sees into the future again. The vision Anya saw through the dog's mind was Loid unconscious and buried under the remains of a building that had been bombed. In order to stop this future from happening, Anya and the dog head to the place where the incident happens!

Loid faces off with one of the enemy's bomb dogs, Anya secretly saves Loid, and Yor finds the leader of the terrorists who had been on the run. The whole family ends up involved in this terrorist bombing incident, but what will be its conclusion?! Also, they were supposed to go get a dog for Anya as a reward for her getting a Stella, but now, she says she wants to keep the mysterious, giant dog that she encounters in this incident. Loid knows the truth about this dog as well as the other dogs involved in the bombing incident and tells her no, but then Anya says she'll quit going to school if she can't have the dog and...