Since an environmental disaster, the earth has been contaminated: the air can hardly be breathed, the water is poisonous and billions have died of it. Humanity has built a new system to ensure survival. In this system operates the bounty hunter Attica Gage (Gina Carano), which takes on the mission to bring down a dangerous criminals. She sneaks into the corridor, but there she meets an enslaved girl who reminds her of her dead sister. Should she throw her real plan overboard to save someone she does not even know?