Lupin, urged by Fujiko and dodging Inspector Zenigata's fierce attacks, steals a "magic lamp" that grants any wish. To verify its authenticity, he crash-lands on a coast and rubs the lamp, causing a hologram of a beautiful woman who calls herself a fairy to appear. However, Lupin soon finds himself standing in the middle of an unfamiliar town, having lost half a day's worth of memories... The fate of the争夺战 surrounding the memory investigation device "LAMP," where various intentions intertwine, hangs in the balance.