Eve of Destiny
Following the success of the Dawn Rebellion, Degwin negotiates with Vice Admiral Revil to surrender all Federation assets and the complete withdrawal of Federation forces from Side 3 to prevent similar incidents from happening again. After bring reprimanded by Degwin for failure to look after Garma, Dozle sends Char - who motivated Garma into starting the rebellion - to Earth; in response, Char requests to become a mobile suit pilot when he returns. Feeling the burden of his responsibilities, Dozle proposes to cadet Zenna Mia. In the Earth city of Manaus, Char lands a job as a mobile worker pilot at a construction site. He meets a young Lalah Sune at a casino
Aired 19/11/2016EP 4 - Eve of Destiny
Mobile Suit Gundam: The Origin
The first episode, Aoi Hitomi no Casval, tells the story of Casval Rem Deikun and Artesia Som Deikun (Char and Sayla, before Char became known as the Red Comet) before the One-Year War in UC.0068.
The story for the second episode, Kanashimi no Artesia, moves three years ahead to U.C. 0071. The story will follow the tearful separation of the siblings Casval and Artesia (before they became known as Char and Sayla). It will also feature more of the development of the mobile suits, particularly on the Zeon side.
The third episode, Akatsuki no Houki, follows the youth who would become known as Char Aznable and his future comrade Garma Zabi after they join the Zeons' military academy.
(Source: Anime News Network)