Lupin the 3rd Vs Detective Conan: The Movie

Conan's attempt to stop Kid from stealing another jewel brought him face-to-face with Lupin and his gang. Meanwhile, Emilio Baretti, a famous Italian singer arrived in Japan with his entourage for a concert that is in danger of being cancelled because of an anonymous threat. As the cases come together, Conan has to solve the underlying cause of unwanted developments unfolding after their arrival.

Synopsis from Anime News Network