In the current day, there is a phenomenon that happens to kids around the age of 6-15. When the children fall asleep they are taken to another world. In this world, they have 10 hours to escape or be trapped there forever. Oliver and his twin sister, Alice are two children who experience this phenomenon. With the help of their Digimon Pawn Chessmon (Black/White), they will try to escape this phenomenon each night. As they meet other kids will they be able to escape this phenomenon?