"Dirty Pair: Project Eden" is a 1987 anime film based on the "Dirty Pair" franchise, which originated from a series of light novels. The story centers on Kei and Yuri, two highly skilled but accident-prone trouble consultants known as the Lovely Angels, who work for the World Welfare Works Association (3WA). Their mission is to assist clients in resolving crises, though their methods often result in collateral damage, earning them the nickname "Dirty Pair."

The narrative begins with Kei and Yuri being assigned to investigate the disappearance of a valuable cargo shipment on the planet Agerna. The cargo, a rare and powerful mineral called Proxima, is crucial for energy production and has been stolen by a criminal organization. The duo's investigation leads them to uncover a larger conspiracy involving a rogue scientist, Dr. Wattsman, who plans to use the stolen Proxima to create a superweapon capable of devastating entire planets.

As Kei and Yuri delve deeper into the mystery, they encounter various obstacles, including hostile mercenaries, corrupt officials, and advanced technology. Their journey takes them from the bustling streets of Agerna to the treacherous jungles of the planet Eden, where Dr. Wattsman's secret laboratory is located. Along the way, they form alliances with local rebels and use their combat skills, intelligence, and resourcefulness to thwart the scientist's plans.

The climax of the story unfolds in a high-stakes confrontation at Dr. Wattsman's base, where Kei and Yuri must disable the superweapon and prevent its activation. Despite their tendency to cause chaos, the duo's determination and teamwork ultimately lead to the successful resolution of the mission, though not without significant destruction in their wake.

The film maintains a balance of action, humor, and science fiction elements, characteristic of the "Dirty Pair" series. Kei and Yuri's dynamic personalities—Kei's bold and impulsive nature contrasting with Yuri's more composed and analytical approach—drive the narrative forward. The story explores themes of corporate greed, scientific ethics, and the consequences of unchecked ambition, all while delivering fast-paced entertainment.