In several overlapping stories, characters from the franchise's previous installments again face various problems on New Year's Eve. A young woman delays her flight to London to see her boyfriend to help her elderly neighbor. Two young fathers are left with their children. A dog is separated from his love. A young guy faces conscription. But what helps all of them to solve their problems is "the boomerang of kindness": if you do good, you get good.
Tagline: Do the right thing and split!