Chapter 1: The arrival of Professor Donna Noble

Luke Smith, the adopted son of Sarah Jane Smith and one of the protectors of Earth, looked up when he heard the classroom door slam open, he was half expecting to see the Doctor with that entrance, or his professor. What he saw was not what he was expecting. Instead of the Doctor or his professor, he saw a tall, lanky figure, wearing a worn black, leather jacket, and a even more weathered looking fedora.