Stéphane defers his frustration at not having had a son on his sons-in-law. So when her younger daughter decides to leave a rugby player than the idolatrous father for a doctor he can not stand, he will do everything to get his son-in-law back. His daughter will not let it go.

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.

Franck and his girlfriend Sonya, plus some of their friends go on holiday in Brazil. Franck, his friends, two girls and Sonya’s grandmother leave to visit a cave, but everything goes wrong and their crazy adventures begin.

Looking for a baby-sitter for the night, Marc Schaudel entrusts his son Remy to the care of his employee Franck, a straight man. But the thing that Marc doesn’t know, is that Franck is getting 30 years old this weekend and that his son Remy is a very capricious child. The next day, Marc and his wife Claire are awakened by a call from the police. Remy and Franck are missing, and the house is totally devastated. The police finds a camera in the leftovers. Marc, Claire and the police start watching the video that has been recorded the day before during the night and find out what happened to Franck and Remy.