An evening of security detail for a Christmas party should be easy for Ella, especially with her magical mentor, Bear, at her side. But when she arrives at the abandoned casino where it’s taking place, she discovers all the guests are in disguise—and none of them are willing to reveal their identities to anyone, including Ella and Bear. Weird, but okay--until one of them dies. Now Ella has to solve the case without knowing who any of the suspects really are.