Elliott is losing sleep over the big bash's ever-growing guest list and worrying about costs spiralling out of control, while Sadie is unsure about taking Elliott's surname. There is more stress when Elliott clashes with his best man, and disappointment when cousin Mark is unable to make the wedding. Will Elliott have a meltdown or will Sadie manage to calm him down?
In the second and final episode, Sadie goes crazy on her hen night, while Elliott is thrown a surprise stag do by the Wrights. After much stress and a small fortune spent, the big day finally arrives. Will Elliott and Sadie live happily ever after?