"My vision blurred for the second time today, and I grasped the console for support. Strong arms I now knew well caught me, making my heart beat faster. Smiling, laughing flashed across my eyes, colours, blues, purples and reds. A little girl in a dark room, a seemingly insignificant porcelain doll clutched tight to her chest. A promise to see the stars, a promise yet to be fulfilled." What will The Doctor and Clara do when they are faced with a dark mystery, century's old, and have no choice but to fix it? Will The Doctor make the right decisions? And will she forget?