On Career Day at Ella Mentry School, local reporter Mrs. Lilly helps A.J. and his fellow third-graders start a school newspaper, but their efforts have unexpected, and terrible, consequences.

Nine-year-old Hilde Lysiak is an aspiring reporter with her own newspaper, the Orange Street News, and she's investigating break-ins and missing baked goods--and with the help of Zeus, a little dog with a big bark, she intends to track down the thief who's trying to steal a win in the Bake-Off Bonanza, one of Selinsgrove's biggest events.