L'expérience

Zorine and Milo, two high school students, get lost in the forest during an orienteering event. Their wandering leads them to a disused amusement park. There they meet Lewis, an anti-hunting activist and his pet boar, Bambi. He is preparing an operation against the hunters in the area. Between the hope of returning home and Lewis' obsessions, Zorine and Milo will spend a restless night.

Marc is an intern in the prestigious neuroscience lab of Professor Georges Erwin. He is working on an experiment that enables to make people laugh, and, in term, maybe to control one's emotions. He has met Elsa, a first year student in the school where he works. The young woman troubles him. One night, he offers her to try his device, but she starts crying instead of laughing... Bewildered and embarrassed, he does not know if he should report this unusual reaction to his professor. And that is when he discovers that Elsa has a tumultuous and secret relationship with the eminent George Erwin...

Behind the appearance of a typical French family, the Martins, lies in reality a squad of secret alien agents led by a tyrannical teenager, the leader of the group.