Set in the year 0068 of the Universal Century, Casval Rem Deikun's world is shattered when his father, a prominent advocate for the rights of those living beyond Earth, is assassinated. With the help of their father's loyal soldiers, Casval and his sister Artesia are rescued, thrust into a destiny that forces them to mature quickly as they navigate the path of warfare. Before adopting the persona of Char Aznable and earning the title 'Red Comet,' Casval grapples with the militarization of his father's ideals and his own thirst for revenge, ultimately evolving into a renowned pilot of mobile suits amidst a galaxy engulfed in conflict.