The Vault: The Hybrian Series Book One

Truth and betrayal are one and the same.

Nineteen-year-old Harper has been trapped in a secret underground facility-a combination of a military school, a ward, and a laboratory-for the last five years. Memories of her prior life are gone, she's forced to train for combat, and after being condemned as an experimental test subject, an electrifying power begins to rise within her.

Harper finally escapes, but not all of her friends get out. Unsure if she'll be able to remember who she is or contr...