When Conan and his friends hear that a UFO has been spotted at on the riverbed near Kometo Bridge, they go to observe the UFO. At the same time, Nagai, manager of Nagai Toys, brings debt collector Oshiro to Beika Bridge. From behind his back, Nagai throws a shining boomerang toy, and Oshiro leans across the bridge when he sees it. In the next moment, Nagai lifts Oshiro legs and drops him over the side. Later, Conan and his friends discover the boomerang toy and body, and Conan realizes the truth behind the UFO sighting...

Conan, Ran, and Sonoko are taken to Sera's regular ramen spot: the new location of "Ramen Ogura," where a murder previously occurred. Inside they find regulars Shono Yuna, Mizushina Sosuke, and Nakanishi Osamu eating. Conan finds the great quantities of condiments and seasoning they put in the food strange. After they leave, employee Sayo reveals a robbery murder occurred in the neighborhood a few days earlier. The police chased the culprit into the restaurant, and the customers present at the time were Shono, Mizushina, and Nakanishi...

Kogoro, Conan, and Ran come across the scene of an accident. A man named Yaginuma fell to his death from the emergency staircase of a parking structure. On top of the stairs was Misaki, who claims to have been attacked by Yaginuma. She claims Yaginuma fell head first when she avoided his attack. One week earlier, Yaginuma broke into Misaki's home and murdered her husband Takizawa Akira and stole 100 million yen worth of precious jewels from their safe. Kogoro believes Yanagi attacked Misaki to silence her, but after looking at Yaginuma's body, Conan realizes there's something wrong with Misaki's testimony...

In the pouring rain, Conan and the Detective Boys stop by a mansion in the woods to borrow their bathroom. After speaking with the men "Bro" and "Skinny" at the mansion, he realizes they're not the mansion's residents, but robbers. While running from the two robbers armed with knives, the Detective Boys rescue Amamiya Maki, the bound resident of the mansion. Conan and his friends flee throughout the mansion with Maki, who doesn't know where her husband is. Later, as Conan and his friends attempt to escape the mansion, they spot a pool of blood through an open doorway...

Big Osaka's Higo Ryusuke and Okino Yoko's passionate romance makes the news. Yoko fan Kogoro, Conan, and Higo fan Haibara decide to investigate if the news is true. Higo and Yoko were meeting at a restaurant run by Higo's senior Asuka. The sommelier Yamada, waiter Konoe, and waitress Reiko search for Asuka who hasn't yet returned but are unable to find him. Meanwhile, Hgio and Yoko discover Asuka's body in the storeroom. Inspector Megure suspects Higo and Yoko who discovered the body, but...

Shishito dies in an accident two hours after stealing 30 million yen from Beika Finance. Before his accident, he hid the money somewhere. Kogoro is hired by Ryozen, head priest of Dongaraji Temple, to find the culprit who made the phone threat demanding that construction on the temple be halted. It becomes clear that brothers Toraya Kinta and Ginsuke became flustered when they saw construction had begun on the temple. Conan hears a strange story about Eisaku, the father of the brothers. Kogoro believes the Toraya family and the missing 30 million yen are connected and jumps to all kinds of conclusions, but...

Kogoro, Conan, and Ran run into a typhoon on their way home from the hot springs and are forced to spend the night at the train station with salesman Hokari, factory manager Takegami, backpacker Carl, assemblyman's secretary Norikoo, local old woman Fune, stationmaster Inagaki, and station employee Masako. When Kogoro exits the station's hot spring, he discovers a scrap of paper in his coat pocket. On it is written the message “Mori-sensei, someone will be killed here tonight. Please catch the culprit. The culprit is--". Later, a murder actually does occur...

Kogoro is hired to be the bodyguard of popular idol Risa Purple, and Conan and Ran get to enjoy her concert. Just as the concert is about to begin, two masked men attempt to kidnap Risa. During the confusion, they mistake Ran, who is cosplaying as Risa, for the idol, and mistakenly kidnap her instead. Kogoro and Conan go after the kidnappers, but lose track of them during their pursuit. Kogoro borrows the truck of a recycling shop worker who saw the kindappers and Ran and continues his pursuit. Conan discovers the identities of the kidnappers from an objected dropped near the boat the kidnappers abandoned, but...

Kogoro is hired by Chokai, the son of the distinguished Chokai Conglomerate family, to find his missing fiance. Kogoro and Conan discover that she called her landlady to tell her she was moving and her boss to say she was quitting her job. As their investigation progresses, they decide to meet with an old woman named Shigemi, the last person to see Motoko. Kogoro determines that Shigemi killed Motoko to get her out of the way, but Conan feels as though the investigation is going a little too smoothly...

Unemployed man Hanzaki Yasuo is frightened when he sees office worker Takedera Hitoshi wearing a costume and slips and falls to his death at Beimyoji. Takedera has no malicious intentions, but because he caused an accidental death, it's unlikely he'll be cleared of charges. After questioning Takedera's acquaintance first year student Kota and office workers Arisa and Susan who witnessed the incident, Conan and his friends suspect there may be more to the case. The Detective Boys investigate the case and close in on the truth, but later, a new incident occurs...

Conan and his friends meet Kitami Saya and Shono Kyona, two actresses competing for popularity on their blogs, at a hotel. Kyona, whose blog features Saya's secret, is found murdered in her locked hotel room. Based on the conditions at the crime scene and Saya's actions, Conan believes she is the murderer. Conan gets Saya's story in room 504 and determines how she entered Kyona's room and the murder weapon. Later, Conan checks Kyona's blog again and discovers Saya's secret. A conversation between his friends helps him realize the secret behind the locked room...