Two months after the disastrous events in Boston, it is now Carl’s turn to walk down the aisle. Since his bride is from France, Carl decides to hold the wedding there. Desperately hoping to avoid the mayhem of Will’s bachelor party, Carl chooses what he thinks will be a safe option: an alcohol-free, prewedding brunch. But this being France, and with Harry, Joshua, Luke and Kamala again in attendance, anything can happen.