The family preps for their very first beach vacation, and Tammy hits some major milestones; while everyone flies, Amy opts for a nine-hour car ride which leaves her and the boys cranky; Chris gives Amy some tough love.

Amy is ashamed of her behavior in Florida and wants to make amends, but she worries Amanda won't accept her apology; when Tammy gets some devastating news, her whole world is turned upside down, and her family rallies behind her in support.