In part two of the ladies' Canada trip, Lauri's accusations of indiscretions leaves Vicki's head spinning and launches the mother of all dinner table debacles. Tamra accuses Gretchen of lying, making Gretchen question their friendship. A snowmobile adventure takes a surprising turn, and a subzero vodka binge leaves Tamra tongue-tied in the worst way possible. Back in Orange County, Heather guest stars on a new sitcom.

Gretchen proposes to Slade during a stunning skyscraper rooftop rendezvous, but none of the other ladies score an invite to the engagement party that follows. Heather and Terry break the news to their kids that they've sold their home. Vicki hears Slade insult her on his radio show and plans to confront him at her upcoming "Winter Wonderland" party. As the party begins, the ladies are full of surprises: Tamra reveals her wedding date, Vicki reveals her rekindled relationship with Brooks, and everybody reveals their true feelings about Gretchen.