Aerospace engineer Elena Pyetrov travels into space to continue her father’s research. Her ship crashes. Within caves on an alien world, the Knoonk execute their plan to genetically adapt to Earth and displace humans.
Kidnapped to the closed cave system, Elena finds other humans subjected to Knoonk experiments. There can be no compromise. It is winner take all. With time running out, Elena must dig deep to uncover the alien plan and stop them before humans face extinction.