In the Arctic, the army retrieves a frozen spaceship which contains an alien. The alien is accidentally awoken by the soldiers and introduces herself as Mumara. She sets about to place everyone in the world into a deep sleep so that she can be sustained by their dreams. Luckily for Jessica, her spider-powers make her immune to Mumara sleep-inducing rays. However, in order to save everyone, Jessica must become Spider-Woman and enter the dream world to stop Mumara once and for all.