In this part, Harry returns to the Hogwarts School of magic and sorcery to participate in the Triwizard Wizard competition, a risky competition between three magic schools. Harry was unexpectedly chosen to be the fourth contestant via the magic fire Cup, despite being too young to legally participate.

Harry faces serious challenges during the competition, including facing a dragon, rescuing friends from the depths of a lake, and wandering through a dangerous maze. In the end, he finds himself in a terrifying confrontation with Lord Voldemort, who has returned to his full strength after using Harry's blood in a magic spell.

After Harry is unexpectedly chosen to be the fourth contestant in the competition, he faces serious and difficult challenges. The first challenge involves facing a fierce dragon and stealing his golden egg...

In the second challenge, Harry has to rescue Ron from the depths of a lake full of dangerous aquatic creatures.......

During the competition, Harry, Ron and Hermione found out the details of the behind-the-scenes plot. It turns out that.......