In a post-World War II Japan, a group of fallen soldiers finds itself trapped in the dark and terrifying world of illegal medical experimentation. The plot follows a young military doctor who arrives at a remote laboratory where his life takes a radical turn. As he tries to redeem himself for his past actions, he faces unimaginable horror: human beings used as guinea pigs in medical atrocities.
As the story unfolds, the inhuman experiments are unveiled, revealing the brutal reality of war and the cost of unbridled scientific ambition. Set against the backdrop of a conflict that continues to resonate in the memories of those who lived through it and suffered from it, the doctor soon finds himself caught between his military duty and his growing compassion for the victims inhabiting that laboratory.
Each revelation leads him to question not only his own morality but also the legacy of a war whose scars still throb in society. As the enigmatic laboratory director pressures him to carry out the experiments, the doctor becomes an unexpected hero in his attempt to free the subjected individuals, risking everything in a struggle for humanity against the cruel depravity that surrounds them.
With a gray and oppressive atmosphere, the film combines horror and drama, raising questions about the limits of science and ethics, and revealing the darkest side of history.