When Maisie wakes up from a nightmare, her parents rush to her side and encourage her to think happy thoughts next time she goes to sleep. The next night she has a fun dream to describe to her parents, and she gets LOTS of attention from them while big sister Annabelle looks on. In an effort to get some attention for herself, Annabelle begins inventing some crazy dreams of her own; soon the sisters are engaged in a battle of wits as they manufacture wild dreams to share with their parents. Who will win the Dream War?