Five candidates for the Mars One project sit for interviews about a plan that has no return flight: if selected, they will leave Earth permanently to help build the first human settlement on Mars. The film lets them talk through what that actually means, from the loved ones they would never see again to the psychological weight of knowing the mission itself may never fly. Cinematographer Ian Rigby's camera stays close on faces during long, unhurried conversations rather than cutting to mission graphics or expert panels, so the tension sits entirely with the applicants themselves as they work out, on screen, whether their reasons for going are as solid as they sound. Doubt surfaces alongside conviction; some candidates second-guess the sacrifice mid-interview, others double down. The film never resolves whether Mars One will succeed, and by 2014 that uncertainty was already the real story. What it captures instead is the specific psychology of people volunteering for a one-way trip off their own planet.