Sara Chidouin, Reko Yabusame, Sou Hiyori, and many other Duel Monsters professionals are abducted into an otherworldly Nightmare Realm; their captor's motives and objectives are unknown. However, they are quickly faced with the threat of death as the group realizes they've been tricked into joining a Duel Monsters Death Game, disguised as a tournament for the card game located in Europe.