Detective Conan and Kindaichi Case Files – Chance Encounter of 2 Great Detectives is a Nintendo DS game featuring Hajime Kindaichi, a high school detective who arrives at Twilight Island in response to a distressing message from an old schoolmate. Concurrently, Conan Edogawa becomes fascinated by a modern legend he learns about from Professor Agasa, which speaks of mysterious disappearances and reappearances on a southern island tourist resort. Upon realizing that their individual investigations are interconnected, an intricate case ensues which tests their unparalleled deduction skills.
After receiving a distressing correspondence from a former classmate requesting his presence, high school detective Hajime Kindaichi travels to Twilight Island to investigate the anguish behind the letter.
Meanwhile, as fate would have it, Conan Edogawa has been introduced to a modern folktale by Professor Agasa, on an island in the south that serves as a premiere tourist resort, inhabitants have been mysteriously disappearing for extended periods of time before suddenly returning without explanation. What's more: When they disappear, they are transported to an alternate version of that very same island. Intrigued, Conan consents to investigate the case while his companions go on a vacation at the tourist trap known as Twilight Island.
As the mystery deepens and it becomes clear their two cases are more related than it first seemed, a grand case unfolds that requires the unmatched reasoning powers of both young detectives.