Gabrielle is a "statue" for tourists, much to the chagrin of her teenage son. Elsa is in angry at the world and desperate to become pregnant. Mao is a chronically depressed video game designer who drowns his melancholy in alcohol and psychoanalysis. They are brother and sisters but do not hang out. Ever. Their parents Pierre and Claudine, separated for a long time, have really done nothing to strengthen the bonds of the family - yet, at their grandfather's funeral, they are going to have to meet, and together answer the question: "What to do with grandma?"

Teacher in the most prestigious highschool in the country, François enjoys the life he’s always known, in the intellectual and bourgeois society of Paris. Trapped in a situation where he’s forced to accept a job in a school of a tough underprivileged suburb, he finds himself confronted to his own limits and to the upheaval of his values and certainties.

Greg founded a company called Alibi.com that creates any type of alibi. With his associate, Augustin, and Medhi his new employee, they devise unstoppable stratagems and stagings to cover their clients. But meeting Flo, a pretty blonde who hates men who lie, will complicate Greg's life, which begins by hiding the true nature of his activity. During the presentation to parents, Greg understands that Gérard, the father of Flo, is also one of their clients.

This story takes place in a far distant time, a time of violence. All throughout Europe, a war was spreading. In a city there lived two sisters...