On the morning of the wedding, Pete wonders if divorcing Jenny is the right thing to do. As Robert is moving his things out of Jenny's house, he tells her that David is having an affair. She tells Rachel and they both wonder whether to tell Karen. Adam arrives late to the registry office after Pete forgets to arrange for a car. The reception is held at Karen and David's. David realises that everyone except Karen knows about the affair, and tells her himself. He offers to leave but she decides that they should stay together for the kids. The episode ends with the couples watching Adam and Rachel's wedding video, filmed by Pete. Though David and Karen's marriage appears to be over, Pete and Jenny are back together.