When a rich woman and her child perish in a hunting mishap, the responsibility falls on Conan Edogawa to unravel the mystery. At the same time, Lupin the Third is on a quest to steal the Queen Crown, a treasure of the Vesparand royal family. As these two iconic figures cross paths, who will come out on top? This story is continued in “Lupin the Third vs. Detective Conan: The Movie” (2013).