Age 16. Joanna's identical twin sister. Outgoing, bold, outspoken. Will do anything to protect her sister.
Age 16. Harper's identical twin sister. Quiet, intelligent, observant. Suffers from multiple sclerosis.
Age 16. Agent in-training at Genesis's Elite Training Program. Cunning. Agile. Fearful of her future.
Age 16. Family friend of the Cambridges. Spy-in-training in Langley, Virginia. Bubbly. Adventurous. Lives a luxurious lifestyle with her parents.