The Thea Sisters start a school newspaper, but when Colette's diary goes missing and Nicky sees a suspicious finish during the Iron Mouse Games, they must use their reporting skills to solve the mysteries and still make the deadlines for the paper.

After meeting the head of the performing arts department, Professor Ratyshnikov, the Thea Sisters investigate why the famous ballerina no longer gets along with Headmaster de Mousus.

There's going to be a musical at Mouseford, and the students can't stop squeaking about it! Everyone wants a role, but the auditions won't be easy. Plus, sneaky Ruby Flashyfur has some tricks up her sleeve! Will the Thea Sisters come out on top ... or will they be singing a different tune when the auditions are over? -- Back cover.