Light Yagami, a high-achieving high school student, feels disillusioned with the world's corruption and lack of meaning. He stumbles upon the Death Note, a notebook with the ability to kill anyone whose name is written in it, left behind by a Shinigami. Convinced he's destined to rid society of evil, Light secretly executes criminals, creating a new world order with no crime. A cat-and-mouse game ensues between Light and L, a skilled detective, as they engage in a battle of wits to determine the true nature of justice.