Lola is really, really excited about looking after the school guinea pig, Bert. Lola loves playing with Bert, and she and Charlie even build him his very own guinea-pig run! But when Bert goes missing, Lola soon discovers that she knows something about Bert that no one else has even thought of...

Lola is really, really excited about looking after the school guinea pig, Bert. Lola loves playing with Bert, and she and Charlie even build him his very own guinea-pig run! But when Bert goes missing, Lola soon discovers that she knows something about Bert that no one else has even thought of...