Using Dr. Agasa as his surrogate, Conan solves the murder of Professor Hirota. Later when Anita examines the disk in Professor Hirota's possession concerning the Black Syndicate, she makes a startling discovery.; The daughter of one of Conan's favorite mystery authors contracts with Richard to investigate his disappearance.; Conan and Harley jointly figure out that the story contains a code saying where the author is being held.; Conan nudges Richard and Inspector Meguire in the proper direction and the case is solved.; Harley invites Conan, Rachel and Richard to Osaka to show off the city. But during their tour, a dead body drops onto the roof of their car.; Learning that the murdered man may be connected with a series of murders investigated by his and Kazuha's fathers, Harley takes Conan to run down a lead.; While Conan and the others track down the fugitive, Harley confronts the real killer.; While at a soccer match, Conan witnesses a bullet strike a loose soccer ball. His job becomes to determine where in the crowded stadium the shooter is, and if his intended victim was one of the soccer players or Anita.; While the police deal with the shooter's phoned extortion demands, Conan determines that the extortion ploy is just a cover for the murder their adversary intends to commit.; Forced to split up, Harley goes after the fugitive wanted in the serial murders without the luck charm Kazuha gave him.