Gavin and Stacey have been continuing their romance on-line and by telephone for the last six months. Now they want to be together but will their friends and family let them?
Cast:Joanna Page , Mathew Horne , Alison Steadman , Ruth Jones , James Corden , Larry Lamb , Rob Brydon , Melanie Walters , Steffan Rhodri , Julia Davis , Adrian Scarborough , Margaret John , Sheridan Smith , Robert Wilfort , Ewan Kennedy , Oscar Hartland , Andrew Knott , Russell Tovey
Gavin and Stacey's return is overshadowed by some big news from Ness.
Smithy disappears after being told he is to become a father and Stacey has to get used to life in her new home.
Mick is interviewed on the television news after finding a corpse in a car park, which is the cause for a small celebration at the Shipmans, even though Dawn and Pete argue as usual. Stacey, however, still unemployed, is not in party mood and only to glad to pay another visit back to Barry with Gavin and Smithy. At least this time Nessa and Smithy are civil to each other, she even asking about his girl-friend - whom nobody has ever seen. Indeed after Nessa has impressed Smithy with her perfect strikes at the bowling alley they go home to indulge in a bucket of K.F.C, where corn-on-the-cob takes on a new erotic meaning.
Gwen's birthday is coming up and Bryn wants to organize a surprise party for her but is dismayed that nobody seems to want to come, so he has to consider asking people she dislikes. Eventually he manages to get together a line-dancing evening, where he and Nessa perform 'Islands in the Stream' but the real surprise of the evening is the unexpected arrival of Stacey's musician brother Jason. For Gavin the shock of the night is when Stacey tells him she feels isolated in Essex and is leaving him to remain in Wales.
Pam and Mick try to effect reconciliation over the phone with Gwen after Stacey moves in with Bryn. They also try to take Gavin's mind off things by involving him in a protest against the erection of a radio mast after which Smithy takes him to a boy's night out, which he does not appreciate. Stacey goes to the bingo with her family but the couple are unhappy apart and end up ringing each other to determine how to get back together again.
As Stacey doubts if her love for Gavin is real, Nessa goes in to labor, and Smithy is nowhere to be found.
The Barry folk come to Billericay for the holiday. Gavin surprises his mum and Smithy with news of his promotion in the company's new operation, located in Cardiff.