Navas (Albert Ammann) and Ari (Adriana Ugarte) are a couple of thieves who always work the same way. First, Ari seduces the victim and once she has made her way into their house, she lets in Navas and his colleague, who then rob the place clean. They are looking for one last big score before skipping town and have their eyes set on Mikel (Alex Gonzalez), who owns a jewelry store along with his fiancée Julia (Maria Castro).

Luke (Jake Johnson) and Kate (Olivia Wilde) are good friends who work together in a brewery. The two of them have a blast at work, where they get to spend their days flirting and drinking beer. It looks like they are made for one another but both of them are in a relationship. Luke is even about to get married with his girlfriend Jill. Things change dramatically however when the two couples go off on a weekend together.

Ariane Feldner (Sandrine Kiberlain) is an uptight and very single court judge who is due for a promotion. Following a drunken New Year’s Eve Party, she is also due for something else nine months later but she doesn’t realize this until six months have passed. Having no recollection of the party, she does not know who the father could be but she suspects her leering collegue Godfrey (Philippe Uchan).