The girls act fast and use their skills to name a suspect when someone threatens to sabotage a state-of-the-art urban development.

A new theory emerges as the girls turn their attention to the school dance -- and having dinner at Bobby Stone's cutting-edge "smart" home.

A familiar face from McKeyla's past steps up to help as her family connections to the case grow clearer. And "Bry-ence"? Well, it's bigger than ever.