Kogoro, Conan, and Ran arrive at a popular lakeside restaurant. On the table are five settings for dinners that have just been started, but the customers are missing. Later, Conan and friends find chef owner Kuchiishi bleeding from his head. When Kogoro asks about the missing customers, he points towards the back door. A note with the character for "curse" is posted on the door, and five sets of footsteps lead to the lake ten meters past it. Conan feels something is off about the crime scene and closes in on the truth behind the mysterious case...