Lupin III marks its first foray into a 3D computer-generated film. The famous Arsène Lupin’s only missed treasure, the “Bresson Diary,” holds the key to an immense fortune, as legend has it. Targeting this treasure, Lupin encounters the young archaeology enthusiast, Laetitia. Together, they set out to unravel the mysteries within the diary. However, their path is blocked by researchers from a secretive organization seeking the Bresson Diary, led by Lambert, and a mysterious man named Geralt, who manipulates the organization. What shocking truths lie hidden within the Bresson Diary? The stage is set for an unprecedented treasure hunt spanning Paris, Mexico, and Brazil!