"All That Gundam" is a science fiction anime series set in a futuristic universe where humanity has colonized space, leading to political and military tensions between Earth and its space colonies. The story revolves around the conflict between the Earth Federation, which governs Earth and its immediate territories, and the Principality of Zeon, a breakaway faction of space colonies seeking independence. The war, known as the One Year War, serves as the backdrop for the narrative, exploring themes of warfare, ideology, and the human cost of conflict.

The central plot focuses on the development and deployment of mobile suits, humanoid war machines that revolutionize combat. The RX-78-2 Gundam, a prototype mobile suit developed by the Earth Federation, becomes a key element in the war. The story follows Amuro Ray, a young civilian engineer turned mobile suit pilot, who inadvertently becomes the Gundam's pilot after his colony is attacked by Zeon forces. Amuro's journey from an inexperienced youth to a skilled soldier is a core narrative thread, highlighting the psychological and emotional toll of war.

On the opposing side, Char Aznable, a charismatic and enigmatic Zeon officer, serves as a recurring antagonist and foil to Amuro. Char's motivations are complex, driven by personal vendettas and a desire to reshape the political landscape. His rivalry with Amuro evolves throughout the series, blending personal animosity with ideological clashes.

The series also delves into the broader political and social dynamics of the conflict. The Earth Federation is portrayed as a bureaucratic and often corrupt entity, while Zeon's leadership is depicted as authoritarian and ruthless. The narrative explores the perspectives of soldiers, civilians, and leaders on both sides, emphasizing the moral ambiguities of war.

Key supporting characters include Bright Noa, the commanding officer of the Federation's White Base ship, who struggles to maintain order and morale among his crew, and Sayla Mass, a medical officer with ties to Zeon's leadership. These characters add depth to the story, providing insight into the personal and collective struggles of those caught in the war.

The series balances large-scale battles with intimate character moments, creating a narrative that is both epic and personal. The technological advancements of mobile suits are juxtaposed with the human element, underscoring the tension between progress and destruction. "All That Gundam" remains a foundational work in the mecha genre, offering a compelling exploration of war, identity, and the consequences of technological innovation.