When Ellie leaves Wales with her husband for a new life in New Zealand she expects a difficult journey but is also looking forward to the adventure ahead so when Phillip is killed soon after they arrive she remains determined to carry on with their dream. When a friend invites her to the US she jumps at the chance to renew their friendship while considering where her future lies, but suddenly Ellie is thrown into a world of myths and legend hidden from the people of Earth. What starts as a pleasant holiday becomes an incredibly exciting job encountering new species and races of people financed by the American government. Ellie then begins a relationship with someone special and soon settles down perfectly content in this new chapter of her life, delving into the history and culture of those that inhabit this secret world. But it all changes when a routine mission goes wrong with catastrophic results for Ellie, fatally injured she is taken to a city where the leader shows her how her body will now heal itself from wounds which a normal human being would not survive. Over time Ellie begins to develop powers that will set her apart from others and make her a target for both Earth's enemies and unscrupulous peers closer to home - she becomes both a valuable asset to the military and a feared weapon that could be used against them. Ellie sees her relationship crumble and the fear in her colleague's eyes, now realizing what it is like to be truly alone and, fighting for her own survival takes the decision to become a solitary figure, the weapon that the military believe her to be. This is her story, where Ellie's journey really begins and it asks many questions about her relationships, both personal and professional and how Ellie and the rest of her colleagues will face this new future.