N arcissa Malfoy's decision to betray Voldemort at the end of the bestselling Harry Potter series has been the cause of much ...

This specific scene in Harry Potter and the Half-Blood Prince is where the entire Draco Malfoy redemption scene starts. He is questioning his role in Voldemort's plan to kill Dumbledore.

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.