In a futuristic world, a young cyborg seeks revenge against the man who transformed her into a weapon. With the help of a skilled hacker, she delves into a dangerous conspiracy involving artificial intelligence and the mysterious underworld.

In a dystopian future, a young girl named Rune Balot is taken in by a mysterious man named Shell after a fatal encounter with a serial killer. Shell uses advanced technology to save Rune's life and turns her into a cyborg. Now driven by a desire for revenge, Rune must confront her dark past and navigate a world filled with corruption and deceit.

In the third and final installment of the Mardock Scramble film series, cyborg Balot continues her mission to bring down the man who murdered her. With the help of a sentient AI, she discovers a dark secret that connects her past to her present.