Masaki, a baseball player and gas-station attendant, gets into trouble with the local Yakuza and goes to Okinawa to get a gun to defend himself. There he meets Uehara, a tough gangster, who is in serious debt to the yakuza and planning revenge.
Two high school girls who are about to graduate also happen to be highly-skilled assassins. When the organization they work for orders them to share a room, their relationship quickly sours. But when they become targets of the yakuza, the girls realize they'll have to work together to survive.
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.
Inspector Kei Mikhail Ignatov finds himself involved with an organization named Bifrost with the possibility of freeing his wife if he betrays Unit One. Koichi Azusawa coordinates an assault on the Public Safety Bureau tower using his hacker Obata, locking down the building and kidnapping Inspector Arata Shindo. Azusawa demands that governor Karina Komiya resign from her position.
Police officers around Tokyo are being murdered by an unknown assailant. When Ran witnesses an attempt on the life of one of her friends in the police, she loses her memory. Now, Conan and Inspector Megure must find the murderer while Ran attempts to regain her lost memories.