Even at the age of 40, Juliette is used to other people making decisions for her. When she meets two guys she likes, she has to finally make her own decision.

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.

NYPD detectives Luis and Eddie visit Paris to help gorgeous French designer Colette catch the black market thief who's ripped off her new handbag design. While Luis' girlfriend Vanessa and Eddie's wife Gloria remain in New York, the hopelessly unhip odd couple stumble through a glamorous high-fashion world brimming with charming cafes, wild nightclubs and corporate treachery.