It is the summer of 1863, and as the Civil War rages between dinosaur-mounted armies down south, and a tense New York City seems on the brink of exploding into riots, Magdalys Roca and the other children at the Colored Orphan Asylum are trying to survive; but when she receives a letter telling her that her brother Montez was wounded, Magdalys knows that somehow she must reach him--and just possibly her ability to communicate telepathically with dinosaurs may come in handy.