The Doctor thought he met his match in River Song... he was wrong. The Doctor is obsessed with a girl who isn't his wife. This girl alone has defeated scores of armies from Sontorans to Cybermen from Slytheen to Daleks. She shows so much potential but the Doctor doesn't know if he can trust her. She has already fell for one mysterious stranger and come out with more mental scars than physical so she keeps the Doctor at arms length. Who is she? Is she friend or foe? The Doctor intends to find out.