STAGE-1
The world is thrown into chaos after the Break the World incident during the Second Bloody Valentine War. A ZGMF-1017 GINN attacks a city where DSSD members Selene McGriff and Edmond Du Clos are in and causes massive damage until it is stopped by a linear tank commanded by Edmond, who is mortally wounded in his attack. Meanwhile Selene and another DSSD member, Sol Ryuune L’ange, leave for space while Phantom Pain deploys its pilots to fight ZAFT mobile suits that attack an Earth Alliance base.
Aired 14/07/2006EP 1 - STAGE-1
Mobile Suit Gundam Seed C.E.73: Stargazer
In C.E. 73, tensions between Naturals and Coordinators continue to persist, eventually leading to another war between the Earth Alliance and PLANT. Sven Cal Bayan is a Natural pilot of the elite EA squad, the Phantom Pain, and carries out his squad's various anti-Coordinator missions without fail. Selene McGriff is a Coordinator researcher at the neutral Deep Space Survey and Development Organization (DSSD) and a developer of the GSX-401FW Stargazer space exploration mobile suit. Though their backgrounds are completely different, the expanding war will nevertheless force their paths to collide.
(Source: Anime News Network)