Owen Wilson, Jenna Fischer and Jason Sudeikis have already boarded the project, which is being directed by Bobby Farrelly and Peter Farrelly.
Story revolves around two married couples who find themselves going through the motions and the wives give their husbands a “hall pass” to engage in extracurricular affairs.
The brothers wrote the screenplay with Kevin Barnett and Pete Jones.
The Farrellys are producing through their Conundrum Entertainment banner with Conundrum’s Bradley Thomas along with Charles B. Wessler.
Bynes begins filming next week in Atlanta.
The actress, whose bigscreen credits include “She’s the Man,” most recently appeared in the musical “Hairspray.”