In the near future, when environmental disaster threatens humanity and oxygen is scarce, former baseball pitcher Satchel must fight to survive after turning her back on a group of violent murderers who are now hot on her heels.

KC, a movie theater employee on the brink of quitting, works the closing shift with her manager, Reggie. When the night takes a sinister turn due to their customers, KC and Reggie must figure out how they will make it out alive and decide whether they still want to work at the movie theater.