Kristin takes off to Mexico for her first ever huge Uncommon James National TV Commercial Shoot with Brittainy, Pip and Jack in tow. Heidi and Audrina fly to Nashville to reminisce about their time on The Hills, reconnect and bond over the downfalls of trying to figure out who they can trust being in the public eye. Justin and Scoot move into their new house and struggle with the next steps in their relationship. Rubber meets the road when Scoot's mom and brother come to town for their first housewarming party. While in Mexico, Britt is able to clear her head and realize that she needs to move on from worrying about what Stone is doing to focus on her relationship with new flame, PJ.