"Mobile Suit Gundam: The 08th MS Team, Miller's Report" is a compilation film that serves as a bridge between episodes 8 and 9 of the original "Mobile Suit Gundam: The 08th MS Team" OVA series. The film primarily focuses on an investigation into the actions of Shiro Amada, the protagonist of the series, during his time commanding the 08th MS Team in the jungles of Southeast Asia.

The narrative centers on Alice Miller, an investigator from the Earth Federation Forces, who is tasked with determining whether Shiro Amada has committed treason by allegedly collaborating with the enemy, Zeon forces. The investigation is prompted by Shiro's actions during a mission where he spared the life of Aina Sahalin, a Zeon pilot and the sister of a high-ranking Zeon officer. Shiro's decision to prioritize human life over military objectives raises suspicions among his superiors, leading to a formal inquiry.

Through a series of flashbacks and interviews with members of the 08th MS Team, Miller reconstructs the events of Shiro's missions. These flashbacks highlight Shiro's leadership style, his commitment to protecting his team, and his growing bond with Aina, which complicates his loyalty to the Federation. The film delves into the moral dilemmas faced by soldiers in war, particularly the tension between duty and personal ethics.

Key characters include Shiro Amada, the idealistic and compassionate leader of the 08th MS Team; Aina Sahalin, the Zeon pilot who becomes Shiro's love interest and moral counterpart; and Alice Miller, the investigator whose impartiality is tested as she uncovers the complexities of Shiro's actions. The film also features supporting characters such as Karen Joshua, Eledore Massis, and Michel Ninorich, who provide additional perspectives on Shiro's leadership and the team's dynamics.

"Miller's Report" serves to deepen the narrative of the 08th MS Team by exploring the consequences of Shiro's decisions and the broader implications of his actions within the context of the One Year War. It provides a more comprehensive understanding of the characters and their motivations, while also setting the stage for the final episodes of the series. The film maintains a neutral tone, presenting the events and characters without overt judgment, allowing viewers to draw their own conclusions about the moral and ethical questions raised by the story.