It is the eight story in the Harry Potter series and the first official Harry Potter story to be presented on stage.
The play begins on Platform 9 3/4 and picks up from where Harry Potter and the Deathly Hallows left off, with a few modifications. Albus Potter and Rose Granger-Weasley say goodbye to their parents and board the train. Harry Potter, Ginevra Weasley, Ronald Weasley and Hermione Granger wonder whether their children will be okay. Ron remembers his time at Hogwarts and wishes he could be going.
Albus and Rose wander around the train looking for a compartment to sit in. Rose reminds Albus that their parents met on the train, so decides that finding the right compartment to sit in is very important as they too could meet their lifelong friends here. They open the door to one compartment and find Scorpius Malfoy sitting there. They shyly introduce themselves and Scorpius makes a joke about their parents rivalry. Albus and Scorpius get along very well, but Rose leaves to look for another compartment because she thinks that Scorpius is nothing but trouble. Albus stays and the two kids become friends, sharing stories and sweets on the journey to Hogwarts.
When the train reaches Hogwarts, the students attend the Sorting ceremony. The Sorting Hat places Rose in Gryffindor, and both Scorpius and Albus in Slytherin. Albus sits next to Scorpius at their table. Unfortunately, Albus is mocked by the other students for being a Potter in Slytherin as every Potter had been placed in Gryffindor. He does not have a natural gift for magic and struggles at his first flying lesson, where the other children call him the “Slytherin Squib.”
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