Days after Varallon's defeat, the members of the SKaRD can finally relax. Gento Hiruma decides to use his vacation time to visit the grave of his partner from when was a Special Mobile Brigade member. However, he receives a mysterious call by someone claiming to have kidnapped the members of SKaRD, and rushes to their location, only to learn that the caller is none other than his deceased partner. The battle for the Earth's fate has begun.