Mairi moves back in with Lachie, and Tom and Morag are delighted when they hear that they plan to get married. Sheila invites Niall for lunch but they are forced to call Dr Clark when Robbie is taken ill. Effie and Jockie have a huge fight, and tell each other they don't want to live together, so they are ignoring each other in the house. Morag wants to join in and help plan Mairi's wedding.