The legendary samurai Toyotomi Hideyoshi has just died a second time: a historical re-enactor playing Hideyoshi has been killed at the daimyo's own Osaka Castle. Time for Conan to make history stop repeating itself--and for Osaka native Harley Hartwell to pick up a wooden sword and eke out some old-fashioned justice!
Then Detective Moore attends a star-studded engagement party on the arm of idol singer Yoko Okino…but the festivities are cut short when one of the stars of Yoko's old girl group...