In the United Kingdom in the 1970s, Kelly Braxton is a happy, mischievous, and hormonal teen who only has to deal with the usual school and family dramas. Tragedy changes everything when her father dies in a mining accident and her mother dies of a broken heart soon after. Now an orphan, Kelly struggles to face her loss and feels trapped. Her life disrupted, she must learn to deal with her grief. Her world is thrown once again into tumult when a forgotten uncle relocates Kelly and her siblings to make a fresh start in America. Just as Kelly thinks she is starting to come to terms with her new life, she uncovers a dark family secret that her parents kept from her and her twin brother Ollie: Kelly and her brother are not mortal. Kelly never expected to discover a world beyond her imaginings. She must summon the strength to overcome what lies before her and find the truth of her extraordinary existence.