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The Shipmans drive to Wales for the wedding fayre, and after a trip to the church to hear the banns being read, Nessa tells Stacey her big secret.
The couple announce their engagement and the families unite for a party in Billericay, but they are unprepared for a bombshell that awaits them.
The bride-to-be goes on a hen party, while Gavin embarks on two stag nights, the second of which reveals shocking secrets about his fiancee that could jeopardise the wedding.
The day of the wedding arrives and Bryn is still behaving oddly around Stacey's brother, while Nessa debates whether to share her big secret.
Happy couple Stacey and Gavin are welcomed home after their honeymoon, but a confession from Nessa threatens to spoil the occasion.
Smithy goes missing after learning that he's going to be a dad. Stacey is shocked to hear of Gwen's new domestic arrangements.