During her 7th year at Hogwarts, Hermione is intrigued right from the start by the new Astronomy teacher, Professor John Smith. This strange man has captured all her attention and she seems to have done the same to him. As the year goes by, talking to someone on a more intellectual level becomes something of a drug for her. Letters from Ron become less frequent and conversation with John are more often. The student-teacher wall falls to allow a great friendship to form. But Hermione’s feelings are much more than that. She is falling for the wizard with the metal wand. But an affair isn’t the only thing happening is the castle. Strange things are happening to Hermione that even her great mind cannot explain.

¿Qué hubiera pasado si el décimo Doctor no se hubiese regenerado? ¿Y si hubiera seguido viajando y hubiera acabado una noche en el jardín de una joven, cuyos vecinos eran unos alienígenas de gel mutante? ¿Qué hubiera pasado si ella no fuera una humana normal y corriente? ¿Y si él se hubiera enamorado de ella? ¿Y si los dos hubieran huído juntos, en la Tardis, viajando para toda la eternidad? ¿Cómo sería ese Doctor...?