The story follows a young boy, Harry Potter, who learns on his 11th birthday that he is the orphaned son of two powerful wizards and possesses unique magical powers of his own. He is summoned from his life as an unwanted child to become a student at Hogwarts, an English boarding school for wizards. There, he meets several friends who become his closest allies and help him discover the truth about his parents' mysterious deaths, the dark wizard who wants to kill him, and the magical stone that holds immense power.

In this third installment of the popular fantasy series, the protagonist enters his third year at a magical school, only to find out that a notorious prisoner has escaped from a supposedly inescapable prison and is believed to be after him. As the school year progresses, he learns more about his parents' history, uncovers secrets about his professor, and discovers a magical map. He also learns to summon a powerful defensive spell, confronts the escaped prisoner, and uncovers the truth about his parents' betrayal and death. The book ends with him saving an innocent life and learning a valuable lesson about the complexity of human nature and the importance of true friendship.

In the sixth installment of the series, the protagonist returns for his sixth year at a magical school, where he excels in potions class with the help of an old textbook once belonging to the mysterious "Half-Blood Prince". As he delves deeper into his enemy's past through private lessons with the headmaster, he learns more about the Dark wizard's history and his own destiny. Amidst this, the school is no longer the safe haven it once was, and danger lurks within the castle walls. The year ends with a devastating loss, setting the stage for the final showdown.

In the final installment of this popular series, the protagonist and his friends decide to leave their school to complete the mission left to them by their late headmaster - to destroy the remaining pieces of the antagonist's soul, hidden in various objects. As they journey through the wizarding world, they uncover the truth about the antagonist's past and the legend of the Deathly Hallows. Amidst the escalating war, they are captured and narrowly escape, leading to the ultimate battle at their school where many lives are lost. The protagonist learns he must sacrifice himself to truly defeat the antagonist, but is given a second chance at life and finally triumphs, ending the war. The story concludes with a glimpse into the peaceful future they have all earned.