Check out the official My Son trailer starring Guillaume Canet, Mélanie Laurent, and Olivier de Benoist

Julien travels constantly through work; his perpetual absence in his house has ruined his marriage. During a stopover in France, he receives a message from his very anguished ex-wife: Mathys, his seven-year-old son, has disappeared. Julien begins the search for his son. It will stop at nothing to recover the child.

https://www.zerotrailers.com/title/my-son/