[Machine Translation] The strongest lineup in the history of Japanese TV dramas, "A first-class mystery" that keeps you guessing until the very end! A Human Mystery" is now available on DVD! The last case of Tono Kazuyuki, the evil instructor of the TV Asahi drama "The Sun Also Rises", comes back to life! --It is dusk, and the opulent Italian restaurant "Osteria da Vinci", decorated with a replica of Leonardo da Vinci's painting "The Last Supper", is celebrating its first day of business. The owner-chef, Takahiko Yagisawa (Hiroki Narimiya), welcomes one customer after another with a smile. However... one hour later, an incident occurs! Someone set fire to the restaurant. Two customers were killed, one seriously injured, and three slightly wounded in an arson and murder case.