2053. Four astronauts, assisted by a robot, are on a two-year mission in an subterranean base on Mars. An unexpected discovery puts them face to face with a grave responsability with regard to Earth. They then start falling prey to violent hallucinations.

Mars IV

Jacky and Francis have just launched their first rocket with one mission : film the Earth from space. But the latter has deviated from its trajectory... They must now recover the onboard camera to avoid being arrested by the police. They go to the bedside of Mr Chicken, the unfortunate man who saw his house hit by their rocket.