Night has just fallen. It's time to sleep, except for Sandier, whose hard work is just beginning. On his bike, with a large canvas bag filled with sand on the back, he crosses the city to put the children to sleep. Standing in front of a house, ready to enter, he discovers that he has clumsily forgotten his bag on his bike. He turns around and is stunned to find that his bike has disappeared.

Marc, a bipolar and paranoid filmmaker, cannot tolerate seeing his current project picked apart by his producers. The clips he’s been able to sneak a look at lead him to fear the worst. With his editor as an accomplice, he manages to spirit away the rushes to his aunt’s place in the Cévennes, to finish the film as he envisions it. Instead, its completion is constantly postponed, as he creates endless diversions and impasses, which alternate between the comic and the downright disturbing.

Elyas, a former Special Forces soldier who has become paranoid since a mission in Afghanistan, is recruited to ensure the safety of Amina and her daughter Nour, 13 years old, both of whom came from the Middle East for the holidays. As he takes office, Elyas senses something is up.

D'Artagnan, on a quest to rescue the abducted Constance, runs into the mysterious Milady de Winter again. The tension between the Catholics and the Protestants finally escalates, as the king declares war — forcing the now four musketeers into battle. But as the war goes on, they are tested physically, mentally and emotionally.