Pickle Storm and her parents flee the magical land of Kleftania and end up on Earth, where everything is strange and confusing.

Pickle faces a new challenge - her first day at school. Despite Mia's help, Pickle struggles to fit in, and soon her magic is causing chaos and a monster is loose in the classroom!

When Miss Hill's pet mouse escapes and the head teacher shrinks to the size of a mouse, Roland makes sure Pickle is blamed. Can Pickle find him before the mouse does?!