Here's a breakdown:
* The return of Voldemort: The book opens with Voldemort's successful resurrection, setting the stage for his eventual return to power. This subplot is central to the entire series, as it underscores the growing danger and threat posed by the Dark Lord.
* The Triwizard Tournament: While the tournament itself is a major part of the plot, it also serves as a backdrop for several subplots, including:
* Harry's forced entry: This subplot explores the mystery surrounding Harry's name appearing in the Goblet of Fire, leading to suspicions and conspiracies.
* The growing power of the Death Eaters: Voldemort's return emboldens his followers, who start causing trouble and preparing for his return. We see this through events like the attack on the Ministry of Magic and the escalating tension between Voldemort and Dumbledore.
* The development of Harry and his friends: The tournament tests their skills, courage, and loyalty, pushing them to their limits and showcasing their growing maturity.
Other notable subplots include:
* The romance between Ron and Hermione: Their budding relationship provides comedic relief and adds emotional depth to the story.
* The mystery surrounding the Triwizard Tournament tasks: The challenges posed in the tournament, especially the third task, require Harry and his allies to solve puzzles and unravel secrets, adding an element of suspense.
* The growing tensions between the wizarding world and the Muggle world: The tournament, and its accompanying events, reveal the difficulties of keeping the magical world hidden and spark anxieties about the future.
Overall, these subplots add complexity and depth to the main story, creating a rich tapestry of interconnected events and characters. They contribute to the overarching themes of good vs. evil, friendship, and the importance of fighting for what's right.