Rovender guides Eva and Muthr to the fishing village of Lacus to meet a duplicitous merchant of human antiques. To get the information they need, Eva must make a risky bet at the Spiderfish Races.
Forced to flee her underground sanctuary for Earth's surface, Eva discovers a world unlike anything she expected. As she journeys across perilous terrain and unknown civilizations, Eva searches to answer the ultimate question: Is she the last human?