Stacey and Gavin return from Honeymoon to a big welcome from both families.
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Devastated by the news he's to become a father, Smithy goes AWOL.
Gavin, Stacey and Smithy head for Barry so that Smithy can go for the scan with Nessa.
Stacey is miserable and homesick because she still hasn't got a job, or her own home.
Stacey and Gavin argue over where to live and Smithy admits to another fling with Nessa.
Gavin seeks counselling for his marriage troubles from Smithy.
Stacey heads to Essex and back into the arms of Gavin.