It focuses on Laurie Lamera (Jessica Malka) and Oliver Marsan (Jamieson Boulanger), two teenagers who investigate paranormal phenomena.
Helen and John Lamera Marsan help police investigate the circumstances of the violent death of Paul.
He sees Luke, his childhood friend and meets a lonely man who predicted terrible disasters.
"One morning at school, Laurence discovers her friend Lucy, lying on the ground suffering from uncontrolled agitations.
The students and some teachers suspect Mark Antony, young albino boy, to be possessed by the devil.
But the weekend starts badly: an object fell from the sky, crashed near their tent in a deafening roar.
"Laurence accompanies Helen Abitibi where Martine Lacombe, esoteric painter, made his paintings, drawing sets copper mines abandoned.
"An inexplicable failure of the computer system suddenly paralyzes the Museum of Civilization and locks Olivier and visitors in a showroom.
Voices from the grave resound between the walls and the Companions of Oliver felt a growing anxiety ... "Laurence Héliatech back to the laboratory of his father, meet Dr. Vidal, a former colleague of Paul Lamera.