Mobile Suit Gundam: The Origin VI – Rise of the Red Comet takes place in the year Universal Century 0079, ten years before the events of the original Mobile Suit Gundam series. The movie follows the story of the young Zeon ace, Char Aznable, who is rankled by the decline of his aristocratic family's power.
The movie depicts how Char earned his moniker, "Red Comet," through his military exploits and his strategic genius on the battlefield. In addition, the movie explores Char's backstory and motivations, including his desire to avenge his family and his hatred for the Earth Federation.
The movie also introduces the beginnings of the Federation's "Project V" weapons project, which aims to create mobile weapons to counter the threat posed by the Zeon forces. The main character of the movie, Amuro Ray, is a key player in this project and ultimately becomes the pilot of the RX-78-2 Gundam, the Federation's most advanced prototype mobile suit.
Overall, Mobile Suit Gundam: The Origin VI – Rise of the Red Comet provides an in-depth look at the events leading up to the original Mobile Suit Gundam series, including the origins of the key players and the technologies that shaped the Universal Century.