Once more, the Glade of Dreams is in danger! The nightmares spread and multiplied over a hundred years of sleep, giving rise to new and even more terrifying monsters! Legends abound about these creatures. Sea monsters, enormous toads, dragons, and even malevolent luchadores. Rayman and Globox awaken with Murfy's assistance, and now they have to assist in battling these nightmares and rescuing the Teensies!