When David unexpectedly gets engaged during a whirlwind vacation, his best friends are determined to send him off into married life in signature style. But when they arrive in Australia, the nuptial plans go from bad to worse as the guys discover that unpredictable relatives, a cross-dressing sheep and a deranged drug dealer don't necessarily equate to a match made in heaven.

In the final season, Sarah Nordmann finally marries wealthy landowner George Bligh. But as Sarah takes her place as lady of Ash Park, George's mother, Elizabeth, feels pushed out of the household. George's son, James, returns from abroad to start a business, while his daughter, Anna, lives in Hawaii with her sister-in-law, hiding a secret from the family. The Bligh's face tragedies, betrayals, and new beginnings that will challenge their relationships...