A catalogue photoshoot brings tensions to the boil between Magda and Mrs Ambrose and precipitates a crisis in Fay's marriage. Lisa and Angela's escapades with borrowed bikinis lead to both disappointment and new hope.

Magda's attempt to capitalise on her success with a celebrity wedding dress leads to a risky experiment with men's bikini briefs. Lisa, Angela, George and Richard are caught in the fallout. Fay confronts marital disaster.