Marc Whatney

, left stranded at Mars who was part of a NASA mission. The crew thought he is dead, and official obituaries were being made on earth. However, it turns out that he is living and NASA authorities fret and make anxious decisions over his rescue. Meanwhile, with lack of communication, limited food and near defunct non-assisted technology, Whatney begins his survival strategies, grows potatoes, records all of his experiences, travels in a rover, successfully finds a pathfinder, communicates to NASA that he is alive and waiting for help, setting the hysteria for the rest of movie. The whole movie revolves around the rescue plan and constantly reminds the audience that how expensive and challenging is the mission from Mars.