After her brother is killed in a miscarriage of justice, aspiring inventor Claudette 'CJ' Walker uses her scientific mind to create two time machines, one for her, and the other for her friend Sebastian. As they use the machines to try and alter the day CJ's brother died, they come to learn the ultimatum of time travel: All Actions Have Consequences.
When a former BlackRose cartel assassin deliberately betrays them by refusing to complete her mission, the cartel orders her execution. Unbeknownst to them, she fakes her own death and is able to create a new life of her own. When the cartel discovers she is alive, the hunter becomes the hunted as she fights to get revenge on those who took her new life away from her.