Hermione Granger is crucial to Harry and Ron in their successful mission to solve the mystery of the Chamber of Secrets. Hermione is revived after Harry kills the basilisk, but she is distraught to learn that all end-of-year exams have been cancelled as a school treat. Hermione buys a cat named Crookshanks, who takes to chasing Ron's pet rat, Scabbers. Before the start of term, Professor McGonagall secretly gives Hermione a Time-Turner, a device which enables her to go back in time and handle her heavy class schedule, though this is not revealed until the penultimate chapter. Much tension comes into play
Harry Potter and the Order of the Phoenix (film) which informs Harry that the Ministry is oblivious to Lord Voldemort's return. At the Order's headquarters, Sirius mentions that Voldemort is after a special object he did not have during his previous attack. Back at Hogwarts for his fifth year, Harry learns that Minister of Magic Cornelius Fudge has appointed a new Defence Against the Dark Arts professor: Dolores Umbridge. Umbridge immediately clashes with Harry, and punishes him for his "lies" by forcing him to write a message with a magic quill, scarring his hand. Despite the concern of his best friends Hermione Granger and Ron Weasley, Harry refuses to