What if there were 4 bionics instead of 3? Meet rhe youngest one of all of them, Daphne Davenport, also known as Subject D. what will happen if one day, their father brings home his newly wife, Tasha, and his step-son, Leo, and Leo find out about his step-father's secret, and discover four teenagers in the basement? Well, you have to read to find out. Follow Daphne through her life, adventures,new experience, and her crazy but amazing family.