The children have a school activity where they will need to go to a store and check for the merchandise/services offered. They decided to go to Kogoro Mori's Detective Agency and follow him as he works.
Kogoro is hired by a musical family to investigate a series of deaths related to the family heirloom, a Stradivarius violin. Meanwhile, Conan continues trying to figure out the phone number to the Black Organization's leader.
Bracing himself for a transfer far away from Sato, Takagi investigates a murder in which the prime suspect is a friend of Chiba with the help of the Detective Boys, Sato and Cho, a senior detective.
Out on a camping trip, Conan, Agasa and the Detective Boys come across a dead treasure hunter. While Agasa alerts the police, the others meet a group of rival treasure hunters and follow them into a strange, trap-filled mansion.
Kogoro is hired by a woman to find her missing cell phone, which her lover is about to call. Not long after she finds it, she is murdered and the killer appears to be one of her family members, all of whom have alibis.
Takagi, Conan and the Junior Detective League become witnesses to a botched jewelry store robbery when the robber seemingly jumps to his death. However, the behavior of a company manager in a nearby building makes Conan suspicious of him.
When a magician's apprentice is murdered during a blackout at her missing mentor's house, Conan and Heiji come to realize that the killer has created an illusion to cover their tracks.
Dr. Agasa's latest cipher proves a tough nut to crack even for Conan. Meanwhile, Conan helps Ran and Sonoko figure out a murder victim's dying message over the phone.
Kogoro is hired to find an explanation for the apparent curse of a wealthy man and his tragedy-stricken staff and family. The curse, however, seems to be more and more real when inexplicable murders start happening.
