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 Chamber of Secrets (film) his friends' letters, and destroys a cake in order to prevent his return to school. The Dursleys lock Harry up, but Ron Weasley and his older twin brothers, Fred and George, rescue him in their father's flying car. While purchasing school supplies, Harry and the Weasley family encounter Rubeus Hagrid and Hermione Granger. They attend a book-signing by celebrity wizard Gilderoy Lockhart, who announces that he will be the new Defence Against the Dark Arts teacher. During a small confrontation with Draco Malfoy, Harry meets Malfoy's father, Lucius, who discreetly slips a book into Ginny Weasley's belongings, which only Harry