The mystery gang grows by two more members as they find themselves involved with their most dangerous mystery yet. A ghost seems to be haunting the theater, intent on stopping the play through dangerous sabotage. Lucy and Leroy need help to keep the production going and to make sure no one else gets hurt. Using their wits and relying on each other to help piece together who is behind the sabotage, the mystery gang has a chance to do a favor for the whole community. But will all of them make it to the final act?