Harry Potter and the Half-Blood Prince

PLOT: The movie opens with the Death Eaters wreaking havoc in London and sinking the Millennium Bridge. They also succeed in destroying parts of Diagon Alley and kidnapping the wandmaker Mr. Ollivander. Later, Harry is taken by Dumbledore in order to recruit Horace Slughorn, a former potions teacher, to return to Hogwarts. Slughorn is at…