A jewel thief crosses paths with a woman carrying a briefcase that the Americans, the Russians and the Chinese all want desperately, so he goes on the run with her figuring that what's inside the case has to be way more valuable than anything he could steal on his own.

Focusing on the search for Sayaka, a young girl whose mother has recently died. Sayaka’s father, an undercover F.B.I. agent, has had a rough relationship with his daughter since the death of her mother and feels that her kidnapping by the evil Neo-Guild is his fault. Sayaka has been angry at her father because he was away in America while her mother died, leaving her feeling abandoned. Aiding Sayaka's father in the search is Tokusou Robo Janperson! The two don’t get along at first, but things between them go smoother as they continue the search.