While the Solar Union Fleet is partially successful in fighting the Circle of Victors, Toiber Arkroid and his team are still in the Delta Trianguli system, unaware of the events at home.
In Ray-Mainai, the sub-terrain metropolis on the planet Equinox, scientists are trying to solve the mystery of how the Progonaut flagship Atlantika was able to reach the Neo-Sapien system without a functioning faster-than-light propulsion system.
How was it possible that the Progonaut crew was able to live through thousands and thousands of years without aging? Was the defeated humanoid gnome, who suppressed the will of the Progonauts with his strong mental powers, a member of the Dark Brotherhood?
Toiber Arkroid makes a decision with far reaching consequences by flying to the other side of the Milky Way. Now, he begins to understand what kind of danger is looming as he is confronted with the Panic in the Galaxy …