Case Closed, Vol. 16

The rich man's son is the prime suspect, but his corpse is soon found in a fountain. Conan and Harley investigate and realize the secretary is the murderer. After the son's suicide she had murdered the son-in-law, after pretending to help him murder the rich man. The Junior Detective League investigate why school props are being moved around at night. They discover their teacher, Sumiko Kobayashi had been using them to practice teaching her students. Later Rachel runs into a boy who resembles Jimmy, causing her to believe he is cheating on her. At the same time the Phantom Thief Kid sends a notice to the Sebastian household, that he intends to steal the pearl called the Black Star. Conan fails to capture the Kid, who escapes after being surrounded by officers. The Sebastian family hold a party on a cruise ship where everyone wears a special pearl on their shirt with only one of them being real Black Star. Kid steals the real Black Star but is confronted by Conan upon realizing Kid can instantly disguise himself as anyone. On the streets, Rachel sees the boy again and realizes he is not Jimmy. Richard is invited to the house of a famous potter to share his detective stories. While there, the potter's daughter-in-law is found hanged.