"Death Note Relight - Visions of a God" is a condensed retelling of the original "Death Note" anime series, presented in two feature-length episodes. The narrative centers on Light Yagami, a brilliant high school student who discovers a mysterious notebook known as the Death Note. The notebook, dropped into the human world by the shinigami Ryuk, grants its user the power to kill anyone whose name is written in it, provided the writer knows the victim's face. Light, disillusioned with the world's corruption, decides to use the Death Note to eliminate criminals and create a utopia free of evil, envisioning himself as a god of this new world.

As Light begins his campaign of justice, the sudden surge in criminal deaths attracts the attention of law enforcement and the enigmatic detective known only as L. L deduces that the killings are the work of a single individual, whom he dubs "Kira," and initiates a high-stakes game of cat and mouse to uncover Kira's identity. Light, aware of L's pursuit, takes measures to conceal his actions, leveraging his intellect and the Death Note's rules to outmaneuver his adversary. The conflict between Light and L becomes a battle of wits, with each attempting to anticipate and counter the other's moves.

The story explores the moral and psychological implications of Light's actions as he descends further into megalomania, justifying his killings as necessary for a greater good. Supporting characters, including Light's father, Soichiro Yagami, who heads the task force investigating Kira, and Misa Amane, a fervent Kira supporter who also possesses a Death Note, play pivotal roles in the unfolding drama. The narrative delves into themes of justice, power, and the corrupting influence of absolute authority, as Light's vision of a perfect world becomes increasingly distorted by his own hubris.

"Death Note Relight - Visions of a God" condenses the original series' key events, focusing on the central conflict between Light and L, while also providing additional scenes and perspectives that offer deeper insight into the characters' motivations and the consequences of their actions. The retelling maintains the tension and complexity of the original story, presenting a streamlined yet comprehensive overview of the "Death Note" saga.