Izzy is really pleased to have been put in charge of the new girl at school. Mathilde is French, and Izzy and her friends can't wait to help her settle in, show her their den and help her avoid the awful school dinners.
However, it seems that Mathilde loves school dinners and even has seconds! That’s when Izzy and her friends work out that Mathilde is a spy and she has come to find out their secrets. Now they have to stop her before it’s too late.
