During a quest to recover Jin's lost memories, Kaito and his companions embark on a journey to England focused on solving puzzles. As they navigate the labyrinth hidden beneath a church, the very place where Kaito and Rook crossed paths with Jin, a enigmatic girl named Raetsel materializes before them. Jin recognizes her, sparking intrigue. Yet, in a twist of events, Raetsel vanishes, spiriting Jin away. To compound matters, the underground maze's traps spring to life, setting Kaito and his comrades on edge.