In the realm of Vesparand, a newfound mineral with unparalleled stealth properties captures Lupin's interest. Simultaneously, the unexpected demise of Queen Sakura and Prince Gill propels Princess Mira into the line of succession. Princess Mira seizes a chance encounter with her doppelgänger, Ran, during a visit to Japan, leading to a daring switcheroo that whisks Ran off to Vesparand alongside Conan, Zenigata, Kogoro Mouri, Lupin, and Fujiko. There, they rendezvous with the awaiting Jigen, delving into the enigmatic puzzle surrounding the Queen and Prince's tragic deaths.