In a dystopian future a deactivated female cyborg (Rosa Salazar) is found by the mysterious Dr. Ido (Christoph Waltz). He revives her succesfully, but she cannot remember anything of her past life. So Alita starts to discover the world once again, she even falls in love, and also begins to search for her lost memories in order to find out who she is. Soon one thing becomes clear: Alita has supernatural fighting abilites, and she uses her superpower to make the world a better place. But before she could break the cycle of death and destruction she must transform into a relentless fighter herself.