Nightmares can be terrifying enough while you're asleep, but in the Dream World, they become actual, tangible monsters! Drake, Hanee, and Kyle embark on a mission to combat these Nightmares utilizing both weapons and "In Dream Cards". Each of these cards possesses distinct elemental abilities, and their handlers are true masters of their respective elements. The trio, led by Hanee, must traverse the treacherous terrain of the Nightmare realm in order to find a path back to reality.