This is the fifth novel in the Harry Potter Series. A Ministry of Magic official, Umbridge has taken over Hogwarts, who prohibits students from using magic in their Defence against the Dark Arts Class. In response to this, Harry starts a secret group called the DA where he teaches interested students to perform advanced magic. Lord Voldemort starts planting disturbing scenarios in Harry's head. The final one being that he has captured Harry's godfather, Sirius Black at the Ministry of Magic. Harry rushes off along with his friends intent on saving his godfather.