Nathaniel finds a wand in his bed, and Sam finds one in his closet. Then, they see a Sorcerer's Stone in a case on their dresser. They go under a blanket, and get sucked into the world of Harry Potter, and end up in Diagon Alley. Sam buys twin cats, one for him and one for Paxton, and names them Garfield and Gage. Nathaniel buys an owl named Colt. Then, they hop on the train to Hogwarts. They meet Dustin, Devisser, Nicholas, and a girl named Heidi MacAvoy, who Sam obviously has a crush on.
When they get to Hogwarts, Nathaniel and the twins get sorted into Ravenclaw, Amber and Heidi in Hufflepuff, and Devisser in Gryffindor. Later, Nathaniel and the twins all get parts as chasers on the Ravenclaw Quidditch team. In a game, something goes wrong and Heidi falls off her broom.They eventually go back into their world, and Sam tells Heidi that he'll date her if she gets into Webkinz World.