On a toxic planet, humans live in floating cities, relying on the strength and courage of the Riders for survival.
Subria is going to be one of the few, a Rider dedicated to scouting the food and resources her people need to survive, but first she has to pass the entrance exam.
Of course, it's more than just an exam, it's a chance to attain the one thing that a Rider needs above all others; a steed.
The bond between these genetically engineered companion.