No Stone Unturned

In the prison station of Sunspot Rack, the two fugitive leaders of the resistance plot their next moves. Silph Marron and Leah Erafallt appear stymied while they make repairs after a narrow escape. In the end a pair of unexpected circumstances will force their hand. A mysterious message comes in with a connection to the ghosts that have hounded Silph for months. They may not live to see it because the Controllers have come.
The team sent to eliminate the resistance have a double agent with an agenda that goes much further than a simple capture. While Silph and Leah attempt to cause uprisings and evade capture, the assassin Shekri slowly turns the warrior Worochre's team to her personal direction. This leads to a showdown in a station sparsely populated with shapeshifters, where Silph and Shekri each learn more about the underlying mystery.
The ghosts, the message and the double agent in Shekri's head all will divert to a lonely bunker. Who will reach it first? What will they discover?