Dr Watson is a quiet and reserved biology teacher at Gregson Academy, infamous for his past war experience. When Mr Holmes is hired to teach chemistry, Watson is inspired to revert back to his adventurous lifestyle, with the help of his new colleague.

Sirius Black; innocent, yet convicted for a crime that has landed him a life time in Azkaban. With only his remaining memories for company, he spends his days thinking back to his time at Hogwarts, where James and Lily were alive, Remus still believed him to be innocent and Peter was on their side.

AU: When Ron stormed out of the tent after a furious argument with Harry, he left everything behind him, including his two best friends. With no intentions of returning at all, Hermione and Harry have to learn to cope without their red-haired companion.