The woman named Erin was a deformed mutant in a post apocalyptic Earth. Rescued from her likely fate by geneticist and fellow survivor Dr. Cugat who technology resequenced her and a handful of others. Now changing her DNA and restoring their humanity and becoming a perfect physical specimen. Now trained as an expert warrior she and her fellow Ex-Mutants continue there survival in hopes to create a better Earth. She is the most expert with weapons and the leader of the Ex-mutants.