Everything else is pretty much just filler for the meetings inside Mary's house. Every single one of them is a riot and shows all the potential this film could have had. If you have seen the trailer, you have seen nearly all of the funny moments. I guess they ran out of ideas. The screenplay is actually quite complex for this kind of a movie.
Most characters have hidden agendas and secret relationships.
Finally, everything comes crashing down at the end, and it's actually kind of fun to watch. If only the four screenwriters could have come up with something funny. Vulgarity can help a film along only so far, but once a film pushes past the tasteless barrier, it begins to gnaw at the nerves. Such is the case with this movie. But they are in the film, so if you can't handle it here, don't see it.