When a dying assassin is reborn into her childhood, she quickly learns that even small changes ripple into unexpected consequences. Armed with knowledge of a future that's becoming increasingly uncertain, she must navigate a world where each decision creates new possibilities and eliminates others. As she attempts to rewrite her destiny, she discovers that the very act of changing her past is attracting attention from powerful entities that shouldn't exist in this timeline. Now she must balance her desire to forge a new path with the terrifying possibility that her interference might unleash something worse than the future she's trying to prevent.