The special's story centers on the kidnapping of Rebecca Rossellini, a beautiful business owner who is a featured character in the new Lupin III TV anime series that is currently airing. Upon hearing of her kidnapping, Lupin rushes to her rescue. Additionally, Lupin receives a written challenge from a mysterious person named "The Masked Count" suggesting a contest: who can obtain the "inheritance of Count Cagliostro" first.

(Source: ANN)

The new TV special will be about the battles against Jigen, who aims for Lupin who searches for the treasure. Goemon, who is angry because he cannot forgive betrayal of Jigen, will fight along with Lupin against the strongest enemy in the history.

(Source: MAL News)

The episode focuses on Lupin's gang descending upon the Kingdom of Dorrente in order to rescue a famous thief who has been detained. While this takes place, the most notorious thieves from around the world gather in the kingdom.

(Source: MAL News)

Goemon's wedding to Murasaki Inabe, daughter of a samurai clan's leader, is interrupted when the Fuma ninjas attack, kidnapping the bride-to-be and demanding her family's ancient treasure as ransom. Lupin, Jigen, Goemon and Fujiko work together once again to try to save Murasaki and get to the treasure before the Fuma can steal it. (Source: ANN)