Mana Ashida, Toshiaki Karasawa, Tôko Miura, Yûko Asano
Momotaro Kabayama is a host of a live mystery quiz show. After a series of unanswerable mystery questions fails to a find correct answer, the carryover prize money soars to ten billion yen. This time, the question is "A murder case that took place in an isolated western style mansion during a storm." Can the six selected participants, selected for their deductive reasoning abilities, solve the question?