Set in Universal Century 0153, "Mobile Suit Victory Gundam" depicts a war-torn Earth and space colonies under the oppressive rule of the Zanscare Empire, a militaristic faction seeking to dominate humanity. The story centers on 13-year-old Uso Ewin, a resourceful and determined boy living in the European countryside. After Zanscare forces invade his homeland, Uso becomes entangled in the conflict when he encounters the League Militaire, a resistance group fighting against Zanscare's tyranny. Uso pilots the Victory Gundam, a highly advanced mobile suit, and quickly proves himself as a skilled and courageous fighter despite his young age.

The Zanscare Empire, led by Queen Maria Pure Armonia and her advisor, Chronicle Asher, employs brutal tactics to suppress resistance, including the use of mobile suits and orbital drop weapons that devastate Earth's surface. Uso's journey intertwines with the struggles of the League Militaire, including veteran pilot Marbet Fingerhat, commander Oliver Inoe, and the enigmatic Shakti Kareen, a girl with a mysterious connection to Zanscare's leadership. As the war escalates, Uso faces numerous challenges, including the loss of allies, the moral complexities of combat, and the personal toll of fighting against overwhelming odds.

The narrative explores themes of sacrifice, the impact of war on civilians, and the resilience of youth in the face of adversity. Uso's growth as a pilot and individual is central to the story, as he grapples with the responsibilities of his role and the harsh realities of conflict. The series also delves into the political machinations of Zanscare and the League Militaire, highlighting the ideological divide between the two factions.

"Mobile Suit Victory Gundam" is notable for its darker tone compared to earlier entries in the Gundam franchise, emphasizing the grim consequences of war and the human cost of resistance. The series features a wide array of mobile suit designs and intense battles, showcasing the technological advancements and strategic warfare of the Universal Century timeline. Through its intricate plot and character-driven storytelling, the series presents a compelling portrayal of a young protagonist navigating a world engulfed in chaos and conflict.