Kim has put on so much weight she can't fit into her bridesmaid dress. Sharon decides she is a relationship counsellor because she read a self-help book.
Kath needs extra money to pay for special items she wants at her wedding. So, she organizes a lingerie party at her house. She gets Kim and Sharon to model the merchandise but none too successfully.
Kath's wedding is around the corner so it's up to Kim to plan a hen's night (bachelorette party) for her mother. Kim, Kath and Sharon head out for a night on the town but the next morning things aren't what they should be.