Kogoro Mouri is invited to Kagoshima for a variety talk show to promote their local shochu and is later invited by Takakuma Shochu to sample their handmade sake. Tatsumura wants to increase production of sake by mechanizing the production process at the expense of quality. Fumiko takes Kogoro on a tour of the city and asks him to decline Tatsumura's offer to be a spokesperson. Later, Tatsumura is found to be missing; there is blood on the floor and evidence to suggest that he was struck with a blunt object and kidnapped. Two days pass and then through an anonymous tip, the police discover Tatsumura dead in his car in a park.

Yumi overhears that a promotion for Takagi will send him to a case in a far away place where he shall remain there until the case is solved. Apparently the case involves a large number of people in a crime organization, where he is expected to be there for three years. Later the Detecitve Boys are walking home when they noticed a strange jogger. Takagi, Sato, and Chou are placed on the case of a murder. The Detective Boys come across them and identify the jogger as the suspect. When they arrive, the suspect's allibi of video recordings proves he was there the whole time the murder took place, but the Detective Boys are certain he was the jogger. What's more, the allibi is confirmed by Officer Chiba, since it's his roommate.