Yanaina is an astronaut that is the sole survivor after an accident on her ship. When unexpectedly making first contact while testing a new space ship, they are attacked by the two alien species they encounter. She wakes up on an alien planet inside a escape pod, with an extra arm attached to her back.

Her and the arm maintain a symbiotic relationship that helps her survive in this strange, sky-blue colored landscape. She spends many years living there.