In order to uphold his title of High School Detective, a teen sleuth must protect his classmates from kidnapping after receiving a threatening letter.

Shinichi Kudo returns as the young Conan to investigate a murderous letter sent to a beauty pageant winner who demands affection.

This story takes place 100 days before Kudo Shinichi became Edogawa Conan. Kudo Shinichi, a high school detective, arrives in Jugoya Town with Mori Ran and others. In this town a legend exists, claiming that a gigantic bull-headed shrike attacks the townspeople and kills them. The town was about to hold a festival in 3 days to put the giant bird's spirit to rest. While being led on a tour of the bull-headed shrike Shrine by Sonoko's parent's friend, Mr. Wakura, a crime related to the legend occurs. Starting with Kosaka, member of the Wakura family are slowly murdered in the same way...

Kudo Shinichi and Mori Ran are invited to the set of a jidaigeki in Kyoto. On their airplane ride to Kyoto, a murder mystery arises. As well, when they finally reach the set in Kyoto, they become involved in another murder mystery. Will Kudo Shinichi be able to solve the mystery?…