After robbing a Moscow casino right under Zenigata's nose, Lupin is given a job to return 6 treasures to their original areas for an old friend of his, so Lupin can receive an even better treasure to gain.

After a successful heist at the race track, talented thief Lupin has his sights set on a valuable diamond set to be displayed in seven days. His plan is complicated when he saves a young girl named Michelle from a group of thugs. Michelle's father is very rich and connected to the diamond; her father also enlists an old mercenary friend of Jigen to persuade Jigen to work for him. Goemon has also been hired by Fujiko to assist her in her own plans for the diamond. With no one to turn to and double-crosses galore, can Lupin pull things together in a week?

Usagi and friends are enjoying summer vacation, until Queen Beryl and the Shitennou are revived. The musical was recorded on August 12, 1993 at the Gotanda U-Port Hall in Tokyo, Japan.