Alan is forced to think about his past when somebody shows up. Gillian and Caroline believe that decision not to tell Celia his secret is sure to backfire. Caroline and a pregnant Kate set a date for their wedding.
Celia finds it hard not to compare Alan’s deceit to that of her first husband Kenneth and she decides to return to their flat in Harrogate. Alan, Gillian, Raff and Ellie embrace the unexpected addition to Alan’s life and go to a dinner party at Gary’s house. Gillian feels humiliated at work by an unexpected visit from Robbie’s other half Cheryl.
Celia attempts to build some bridges with Alan and accept Gary into her life despite her initial reservations.After Caroline receives some devastating news Celia doesn’t hesitate to stand by her side.
John has an unexpected proposal for Caroline who later receives a phone call to say the police have baby Flora and her nanny Holly at the police station. Gary's efforts to ingratiate himself into the family don't go to plan. Alan attempts to distance himself from his son.
Gillian's wedding arrives but things don't go to plan as Caroline works out why she is avoiding her wedding day. Alan takes the first step to try and forgive Gary.