A wealthy woman with a clock obsession is murdered after receiving a threat from "the Guardian of Time." What is the secret of the old clock? Can Conan make a timely arrest?

Then Conan takes on a dangerously tasty case at a noodle shop where the specialty of the house is "Ramen to Die For." And at the scene of a murder, Conan and Rachel meet a teen detective who matches them at sleuthing and martial arts!