When producer Yonekura is found crushed to death in a storage room, police inspector Otaki investigates this as a murder rather than an accident.

Yagi is also found murdered. Yumi interrogates Miike, who attended karaoke with Yagi and Momosaki. A suspicious man listens in on their conversation.

While the client, Fusaya Oide, was running away from home, his father, who was alone at home, was robbed and killed. Conan and Kogoro find the person who stole it, but say "he didn't killed him." While the criminal image was hard to see, they headed to the scene again. Who really murdered his father.....

Conan and his companions head to a ranch to pick up some chickens for their grade school and get dragged into a dangerous situation. A man claiming to be the ranch owner's younger brother takes Ayumi hostage and locks Conan, Amuro, Mitsuhiko, and Kobayashi in the basement beneath the office. There they find the body of the ranch owner and Kazami Yuya. Conan successfully gets in touch with Haibara and the others above ground, but... What are the objectives of the three men visiting the ranch and the owner's younger brother?