When Rebecca gets over the measles, she is able to explain a mystery that has been puzzling her friends, Tommy, Luis, Mei-Li, Jennie, and Derek, who call themselves the Screech Owls.
The Screech Owls, a group of multi-ethnic and differently abled children, solve the mysteries of who took the Halloween candy and what happened to Norbert the hamster.
A group of multi-ethnic and differently abled children form a club called the Screech Owls to solve mysteries like what happened to Mrs. Kolanski's blanket.