Aliens have left the planet Earth without power as the Yellowstone super volcano erupts. Mandy, and the American Bulldog she adopted, race toward Arizona and the safety of the Biosphere. Once there she finds other survivors, all who are not necessarily happy to see her. She struggles to prove her value as they work together to create a home. Meanwhile the aliens are talking of war.
Gillian is distraught, hearing her parents arguing she learns the ugly truth, the Yellowstone super volcano is getting ready to explode. When an earthquake disrupts a speech meet, Gillian feels the need to confide.
Catastrophic events, create a parent’s worse nightmare. Should they let their children go with aliens, or keep them home and hope to survive?