Kaname Date and the AI-Ball, Aiba tackle a mysterious case and rescue Iris, an internet idol who has been forced to take part in a dangerous escape game. Examine crime scenes and listen to testimonies in "Investigation". Enter the dream worlds of suspects and key witnesses in "Somnium". Solve puzzles to break out of locked rooms in the new "Escape" sections. By moving between these three sections, obtain the necessary clues to solve the case.