In the future, the world becomes uninhabitable when the toxic air supply is no longer viable to sustain life. Two engineers (Norman Reedus and Djimon Hounsou are tasked with keeping a few select doctors and scientists alive in an underground facility in the hope of one day being able to live on the surface again. When a fire breaks out, limiting the filtered air in the bunker the men must race against the clock in order to save what's left of mankind. Directed by Christian Cantamessa.