An outrageous cut-rate producer is about to fulfill his lifelong dream to make a movie about the most offensive, dirtiest jokes ever told. As Charlie and his filmmaking team hilariously struggle to write a script and assemble their award-winning cast, the movie-within-a-movie emerges with one dirty joke after another. Only one can take the crown for writing the dirtiest joke ever told, and Charlie will do whatever he can to be that king.

Blue-collar Paulie prepares for fatherhood and his forthcoming wedding to Sue by hanging out with his groomsmen. Brother Jimbo, cousin Mike, and his pals fill the reunion with drinking, boys-will-be-boys antics and a few unexpected personal confessions. But, when the bonding devolves into accusations and regret, Paulie has to decide whether he's ready to tie the knot and take this big step into adulthood.