Harriet Williams, Amy Pond's and Rory Williams second child, who has grown up, hearing tales about the madman with a box, but never seemed to believed them. She knows she is somehow different, but always tries to forget the possibilities why. Until one day, when a tall, handsome, young looking man, with a blue box, comes and tips her life upside down.

The TARDIS has always brought The Doctor to where he needed to be. But why does it keep pulling him back into the timeline of a simple girl from Cardiff?