Case Closed: The Million-dollar Pentagram

The 27th Detective Conan movie. A message has arrived from Kid the Phantom Thief, that he will steal a Japanese sword belonging to the wealthy Onoe Family in Hakodate, Hokkaido. Conan and Heiji Hattori, who happened to be in Hakodate, are on the case to capture Kid. Onoe Family's collections are associated with Toshizo Hijikata, a historic figure who perished in Hakodate. Why is Kid, who specializes in jewels, going after a Japanese sword? Coincidentally the family lawyer of Onoe is found murdered in the warehouse district, apparently slaughtered by a Japanese sword.