Celia introduces Alan to her sister, Muriel. Caroline is shocked to find out that Kate is pregnant. Gillian gets drunk and shares a dark secret with Caroline.
Some sad news manages to inspire Alan and Celia to have another wedding ceremony awith all of their family and friends in attendance. Caroline takes Kate away on a romantic weekend, but a disagreement threatens to ruin the relationship. As Gillian and Robbie begin to back on friendlier terms, a revelation from Judith ends up changing everything.