Synopsis

All over the world happen stranger things, for the French scientist Claude Lacombe, there is no longer any doubt that there is an extraterrestrial intelligence. He tries to put in place a way to come into contact with them. At the same time, in a village in Indiana, an electrical lineman Roy Neary and Barry Guiler, a little boy of 4 years old, are witnesses of the same paranormal phenomenon. Trying to warn authorities, they are ordered to remain silent. But, the child will be caught...