"The Witness that Cannot be Seen" Transcription: "Mite nai Mokugekisha" (Japanese: 見てない目撃者) February 6, 2010

A young widow is being stalked by an unknown man, who has hung around her house and tried to push her down a public stair.

Kogoro takes Ran and Conan to an onsen by the ocean. When they hear the sound of a boulder falling, they find a man named Hideaki Umezu, a mortgage company president, dead. The police presume that a boulder rolled off the hill and killed Umezu. However, Conan reveals that there are scratch marks around the spot where the bolder rested revealing that someone used the boulder to murder Umezu. The suspects are Umezu's secretary, his two daughters, and the onsen manager.

The Detective Kids are at a movie theater watching a Gomera movie when they are joined by Inspector Shiratori, who meets a woman he thinks may be a girl he fell in love with as a child.

Shiratori has Takagi search for the drinks at the theater and to bring them to the apartment. Shiratori reveals his deductions and explains that Kasakura drugged him with sleeping pills and placed her tuque on him to create her alibi by having Shiratori impersonate her. Takagi arrives at the department and shows them Shiratori's drink. Shiratori reveals that he had broken a piece from the flower design yet all the pieces remained...

Conan, Kogoro, and Ran pass by a woman named Kyouko Takahata who passes out upon receiving a phone call that her brother-in-law, Itsurou Soejima was found dead in her home. They head to her house along with the police to discover that the drunk Soejima died when he fired a shotgun toward the ceiling causing a chandelier to fall on top of him. The police conclude it was suicide, however, Conan believes it was a carefully planned murder. Conan investigates and discovers that in the past year...

Conan investigates and realizes the warehouse is designed by Samizu Kichiemon (三水 吉右衛門) and that the abacus is the switch that will reveal the secret room. The Detective Boys and Conan have the owner of the warehouse call the police before revealing their deductions. When the police arrive, the Detective Boys explain that the warehouse has a low ceiling which was concealed by the interior design of the warehouse.

After returning to Detective Mori's agency, Heiji asks them to help find Teruaki Kunisue, a sophomore at Teitan University who Heiji accidentally gave Kazuha's lucky charm to. They all head to Teitan University the next day only to find out that he has not been attending classes due to a broken wrist. Ran learns from Kazuha that she left a photo of Heiji in it and does not want Heiji to find out about the charm's contents.

After returning to Detective Mori's agency, Heiji asks them to help find Teruaki Kunisue, a sophomore at Teitan University who Heiji accidentally gave Kazuha's lucky charm to. They all head to Teitan University the next day only to find out that he has not been attending classes due to a broken wrist. Ran learns from Kazuha that she left a photo of Heiji in it and does not want Heiji to find out about the charm's contents. Later, Ran, Conan, Heiji, and Kazuha, go to a sports parlor where Teruaki

Conan and Heiji interrogate the three suspects to learn that they respectively attended a sumo match, a volleyball game, and a soccer game. Conan and Heiji deduce that Teruaki attended a baseball game and that one of the suspects must have also attended the same game. Conan and Heiji realize that the soccer game fan, Takuya Kyuma, had been using baseball terms to describe a soccer game meaning he is the culprit.

Conan, Kogoro, Ran, and Sonoko are at a tea house when a woman wearing Gothic Lolita fashion clothing enters the tea house, orders a glass of water, and leaves. Ten minutes later, a woman named Yuika Shoudou, arrives to the tea house where they learn that she was supposed to meet with the gothic girl from before. The four then leave to go shopping. On the way, a pair of thieves tries to steal their shopping bags by spilling ice cream on Ran and Sonoko but are foiled by Conan.

The police investigate the glass the gothic girl was drinking which holds Kuze's fingerprints. At the ghotic lolita shop where Kuze bought her clothes. The employee there revealed that the gothic clothes were sold in pairs causing Conan to receive an epiphany on Shoudou's allibi. Conan tranquilizes Kogoro and reveals that the gothic girl that entered the tea house was Shoudou and that the glass was pre-prepared with Kuze's fingerprints.

The Detective Boys attend a firefly festival to commemorate a shinto shrine in a village. The truck soon arrives with the fireflies and they are released into the fields. Later one of the truck drivers, Tokurou Nakamine, is found murdered and three of the villagers are the prime suspects. Conan notices a flashlight Genta found inside the truck and realizes who the murderer is. Using Agasa, Conan reveals the second truck driver, Shuchirou Tarumi, to be the murderer.

The Detective Boys run into a strange man named Kyouzou Daita who invites them to a cake shop after they apprehended a thief who robbed him. While talking with him, Conan notices the man is acting strangely. That night, the Detective Boys confront him and reveal he plans to kill himself and make it look like an accident in order to use the insurance money to pay for his grand daughter's surgery. Daita confesses and reveals that after losing a winning lottery ticket, he contemplated suicide was h

A strange case of Kogoro's involving a series of red, long-sleeved sweaters becomes central to a hostage situation of interest to the Black Organization. Meanwhile, Jodie Starling sees a familiar face.

Conan arranges the red shirts in the order they were sent and folds them along the creases and deduces that the way the shirts were folded reveal a code. Elsewhere, Jodie spots Akai is on the floor where the bombing incident is taking place. Conan uses the cashier room's computer in order to search for a disaster that occurred in a snowy mountain on December 28. Okiya, who happens to be on the same floor, examines the red shirt and concludes the sender is related to a disaster...

Conan explains it would be impossible to always have a shirt bought on 12:28 for all thirteen days and reveals the sender to be the cashier, Mai Seta. Seta reveals that the bomber murdered her father thirteen years ago in order to hide the fact he was embezzling money from her father's company. Conan reveals that the shirts creases are flag signals conveying the message "I saw you burying it". The bomber denies the murder until Conan discloses that the body must be near the cabin since the bombe

When a comedian who hired Kogoro to find her stalker stabs someone wearing a zombie mask to death in her home, Kogoro figures it was self-defense. However, Conan suspects there's more to the story.