Les lendemains de veille tells the story of Vincent, Malo, Lola, Matéo, Blaise and Xavier. At the time they were young and had a dream, that of living together; free and autonomous. And this dream had a name: "The community of the days before." However, their group ended up doing like everyone else and they gradually lost sight of each other. They hadn't made a date in the future, but the death of one of their own decided otherwise.

A soldier suffering from trauma, Roman does not manage to find his bearings in society upon his return from his mission. His companion Clara leaves him, and takes their son with her. Deprived of his family, Roman goes to isolate himself in the mountains. Out of sight, he will let the memories of the war invade him, until one day he meets a group of lumberjacks, touched by his condition.

Camille Fauvel, a former medical examiner and now crime novel writer has returned to Granville and she preparing a new novel. In the morning she was jogging on the beach and discovered the corpse of a man who has been tortured.The police captain Damien Bonaventure and the district attorney arrive at the beach where they meet Camille Fauvel.She explains them that the man has been tortured according to an old Viking ritual.Camille proposes to do the autopsy of the corpse and the district attorney agrees with this idea.

Lucie, a young French woman passionate about perfume, sets out on a research trip abroad. Her tragic destiny crosses paths with Younes, a penniless taxi driver who delivers her into the hands of Islamist kidnappers, and with Abou, a jihadist also from France.

Sébastien, a great lover of his land in the Basque Country, is alone in taking care of the family farm as worries pile up. Sebastien falls in love with his new neighbor, Juliette, as Catholic as he is Pagan.

Four persecutors. Four victims. Appearances can be deceiving. Monsters are not as dangerous as the people behind them.

Nathan, 25 years old, is an idealist. He has a meeting with Daniel, his producer. His heart is pounding. There's something Daniel needs to tell him.

Emma, 26, is engaged to Laurent, a soldier sent to Afghanistan. While waiting for her return, Emma, pregnant, prepares their future family life: but Laurent is slow to return from his mission. Thanks to the strength of their relationship, and to the complicity of other soldiers' wives, Emma holds out until a new ordeal comes to question everything...

In search of a new way of life, Diane, 25, settles in her grandfather's home in a village bordering a forest where she practices archery.