Black Rabbit Restaurant employee Yuri chokes and collapses after drinking from her glass. Arsenic is found in her drink, and Conan believes her glass was poisoned by Morooka, Fukamachi, or Sana. Inspector Megure begins questioning the suspects. Conan and Amuro speak with Morooka's bodyguards and learn that something was troubling Morooka. Later, they learn Fukamachi came to see Yuri alone, and Sana needs money to pay for her father's surgery. Amuro recalls his memories of Miyano Elena, and...

Conan and friends arrive at Kuronosu Station where the village operated insect man ranch is located. The children of the village have dressed themselves up as insect people. Conan speaks to a grade school student dressed as a rhinoceros beetle and learns that a government official's plan to build a casino and public bath in the forest surrounding the village has been put on hold due to a curse. The adults of the village are preoccupied with their work in the forest. They are trying to uncover the treasure of the Moth Princess that the deceased former village mayor tried to keep to himself. Conan investigates the incident that occurred in the village, and...