Peace always comes at a price. On Exilon 5, Stephen finds himself overwhelmingly attracted to Serena, the new female Indigene who suddenly appeared in District Three. But who is she really, and where did she come from? Meanwhile Anton, taken over by a malevolent personality back on Earth, struggles to hold on to his identity. His alter ego has a personal grudge against Pierre, District Three's only remaining elder, and is out to destroy him. Can the Indigenes save Anton before all trace of him is lost? How can they protect Pierre? On Earth, Laura O'Halloran is adjusting to life after treatment for her Seasonal Affective Disorder while on Exilon 5, but she soon experiences some unexpected side-effects. Deeply worried about her, Bill Taggart is forced to seek help from the most unlikely of people—the World Government. But in trying to save Laura and protect the Indigenes his loyalties are divided, and he begins to question whose side he is really on. CRIMSON DAWN is the exciting conclusion to the Exilon 5 Trilogy.