We never find out why or how, but the world’s population has been wiped out entirely and turned the planet into a poisonous wasteland. Apparently, some of humanity had anticipated this and created a a facility that houses thousands of embryos to repopulate earth with. This facility is run by an Articial Intelligence, which presents itself as a robot called Mother (voiced by Rose Byrne). She raises a single embryo, Daughter (Clara Rugaard), to adulthood, teaching and testing her along the way.
When Jimmy is made redundant from his tunnelling job and needs money quickly to hire a lawyer to help him with a custody dispute over his young daughter Sadie, he comes up with a scheme to rob the cash-rich vault of the nearby Nascar racing track where he has been working. To access the safe they need the skills of Joe Bang (played by Daniel Craig), who is currently incarcerated in the local prison, who brings into the gang his redneck brothers, who are no criminal masterminds.