"Lupin III: Alcatraz Connection" is a direct-to-video anime special that centers on the exploits of the master thief Arsène Lupin III and his team. The narrative begins with Lupin and his partner Jigen attempting to steal a high-tech stealth bomber, the X-27, from a military base. Their heist is interrupted by Fujiko Mine, who betrays them and takes the bomber for herself. However, the situation escalates when the bomber is revealed to be a decoy, and the real X-27 is already in the hands of a criminal organization led by a man named Mister X.

Mister X plans to use the X-27 to launch a devastating attack on San Francisco, leveraging its stealth capabilities to bypass defenses. Lupin, Jigen, and their ally Goemon Ishikawa XIII are drawn into a high-stakes game to stop the attack and recover the bomber. Along the way, they encounter Inspector Zenigata, who is hot on Lupin's trail but ultimately joins forces with him to prevent the catastrophe. The story unfolds with a series of intricate heists, double-crosses, and action-packed sequences as the team navigates through San Francisco, Alcatraz Island, and other key locations.

The plot delves into themes of trust, betrayal, and the moral ambiguity of its characters. Fujiko's motivations remain ambiguous, as she oscillates between aiding Lupin and pursuing her own agenda. Mister X serves as a formidable antagonist, with his plans revealing a deeper conspiracy tied to global power dynamics. The narrative maintains a brisk pace, blending humor, suspense, and the signature charm of the Lupin III franchise. The climax takes place on Alcatraz Island, where Lupin and his team confront Mister X in a final showdown, combining wit, strategy, and action to resolve the crisis.

The main characters—Lupin, Jigen, Goemon, Fujiko, and Zenigata—retain their classic traits: Lupin's cunning and audacity, Jigen's sharpshooting skills, Goemon's swordsmanship, Fujiko's manipulative allure, and Zenigata's relentless pursuit of justice. Their interactions drive the story forward, with each character contributing to the resolution of the central conflict. The special maintains the franchise's balance of lighthearted moments and high-stakes drama, making it a compelling addition to the Lupin III series.