Sonoko takes Conan and Ran to the "Candy House", a Hansel and Gretel-themed store specializing in various sweets and candies. The trio then meets three masters who make pastries and puddings: Maeda Gou, Fujino Yasuo and Morimoto Tomomi. Behind the scenes of the shop is their boss, Sachiko Hashigaki, who has stern words for her employees about their performance. When things have cooled down, Sachiko is found bludgeoned to death, her employees are now suspects, but no murder weapon can be found.