Yojo no jidai

In 2012, Atsuya and his 2 childhood friends do something bad and run into an old general store. They decide to stay there until the morning. Late into the night, Atsuya sees a letter in the mailbox. The letter is addressed to the Namiya General Store and the letter was written by someone to consult about worries. Incredibly, the letter was written 32 years ago. The mailbox is somehow connected to the year 1980. Atsuya and his friends decide to write a reply and place their letter in the mailbox.

Kogoro's detective agency receives a mysterious phone call. Someone on the other end warns about a bomb and leaves behind a code, which if Conan can decipher the riddle, he can stop the bomb. An adventure begins for Conan and the Detective Boys, taking place at a soccer match between Hideo Akagi of the Tokyo Spirits and Ryusuke Higo of Big Osaka.

Conan tries to track down Kaito Kid, who supposedly steals a replica of one of Van Gogh's Sunflowers paintings during an auction.

A new member from the Black Organization that shrunk Shinichi's body manages to find out about Shinichi's transformation into Conan. This discovery starts to put those around him in danger as Gin and the other Black Organization members start to take action.