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A difficult mystery challenged by Sou Toma, a genius boy who graduated from MIT at the age of 15! An old wealthy woman dies in a dining car on a luxurious sleeper train from Aomori to Ueno. Only nine passengers from cars 1 to 4 are suspected of the murder. All of them have alibis, but they lie and even disguise themselves. What on earth are they trying to hide? The murder case at ‥‥。<<「 Dollhouse "" Special sleeper train incident "2 movies are recorded>>