Elias, warrior of Gaviron, fights beside and befriends the two Tucker brothers as part of Earth's military. The tide has turned in favor of humanity in their battle against the insect-like raynids. When Earth's leaders decide they must travel to Gaviron and learn the origin of the raynid invasion, Elias finds himself forced to go along and face his nightmares.

 Holly Tucker, a clumsy, brilliant linguist and historian, travels with her brothers and Elias. She has a theory to prove and believes she can interpret the raynid's speech. Thanks to her abusive father, th