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.

They are possessive, benevolent, clumsy, absent, omnipresent, overwhelmed, guilty, indulgent, loving, fragile, in full possession of their wits, or losing their heads. Alive or already a memory. They are mothers, and it’s their party.

Internet humor star Thomas the Lama gets out of hand in a video. He becomes the target of all haters and his life falls apart. To win back his girlfriend and his audience, he decides to go meet his 10 biggest detractors to see if they can say, face to face, what they write on his page - Each meeting promises to be epic.

This is the story of a woman who’s been looking cranky her whole life until the day she wakes up with a smile stuck on her face.