After the death of their father, two half-brothers find themselves on opposite sides of an escalating conflict with tragic consequences.
Roxana Aubrey decides to drop her studies and escape her life in Paris for a free diving course in the south of France. She is quickly pulled into a life that reaches new depths brought by the weight of an ocean's descent.
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 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 far more than his career...
Moha and Lucie had a great love. Today they are separated. Moha doesn't know how to survive this breakup. Sometimes he follows Lucie, who has met Martin.