Albus Potter, Rose Weasley and Scorpius Malfoy have begun their first year at Hogwarts. With James Potter's help they find out about the Marauders and how they became unregistered Animagi. Using a mix of restricted library books, haphazard spells and guessing, the four students begin their transformation into Animagi. They struggle to balance this with schoolwork, shenanigans ensue