During Harry Potter's sixth year at Hogwarts, he finds a book that once belonged to the mysterious Half-Blood Prince that earns him the respect of his new Potions professor Horace Slughorn. In addition, Dumbledore must prepare Harry for the ultimate final confrontation by finding out the secret behind Voldemort's power. Meanwhile, a hidden enemy waits in the shadows to carry out a mission given to him by the Dark Lord.
Harry Potter and the Half-Blood Prince
As Harry Potter begins his sixth year at Hogwarts, he discovers an old book marked as "the property of the Half-Blood Prince" and begins to learn more about Lord Voldemort's dark past.