An unexpected visitor forces Alan to think about his past. Gillian and Caroline are anxious - his decision to keep his secret from Celia is sure to backfire. Meanwhile Caroline and a heavily pregnant Kate set a date for their wedding.

Alan finally lets Celia into his secret about Gary but is saddened when Celia punishes Caroline on her wedding day for his mistake.Meanwhile, Gillian loses her job after a humiliating visit from Cheryl.

Celia builds bridges with Alan and accepts Gary into her life despite her initial reservations. Although things with Caroline are still fraught, when she receives some devastating news Celia doesn't hesitate to stand by her side.