Erika has a BIG secret. She's a member of the Dream Defenders - a top-secret organisation that banishes your worries while you sleep! And tonight they're on a mission to rescue Erika's best friend Silas from the clutches of the evil Glooms - creatures who want everyone in the dream world to look and think exactly the same way! Can the Dream Defenders save Silas and help him to see that being a misfit can be a truly marvellous thing?