A year after Gus's death, Isaac writes him a letter, telling him how life has been without him being there.

Mia tells the story of how life has been since that day in August, back in New York.

Harry is going to his fourth year in Hogwarts, but is forbidden to go to Hogwarts by the Dursley's. He escapes from them, and does anything possible to go to Hogwarts to reunite with his true love Hermione Granger.

Two young boys must unite and work together and overcome differences all in the same time when saving their new school, and erasing the long time rivalry between their two very different families.