Synopsis:

Mathieu is a young and talented black box analyst on a mission to solve the reason behind the deadly crash of a brand new aircraft. Yet, when the case is closed by the authorities, Mathieu cannot help but sense there is something wrong with the evidence. As he listens to the tracks again, he starts detecting some seriously disturbing details. Could the tape have been modified? Going against his boss' orders, Mathieu begins his own rogue investigation -an obsessional and dangerous quest for truth  that will quickly threaten for more than his career....