Josh Altman and Josh Flagg, long-time rivals turned BFFs, team up to sell a property in Palos Verdes. But can they do it in less than a week? The two enlist their spouses and head for the coast as they pull out all the stops in the hopes of securing an all-cash offer for a jeweler-client who is between a rock and a hard place.

Altman enlists Flagg's help in selling his parents' home in Aspen, CO but when news of a change in Flagg's employment leaks, all hell breaks loose. Can Flagg remain focused enough to not only help Altman move his parents' property but to also land another potential 40-million-dollar listing? Back in LA, Heather asks Bobby for advice about seeking partnership in The Altman Brothers.

Flagg is blindsided when Altman decides to teach him a lesson in the middle of a high-stakes deal in wine country. Will Altman’s behavior backfire and sour the duo’s trip to Napa? Heather and Bobby are left to ponder the future of their spouses’ partnership.

On the season finale, Josh & Josh seek an elusive waterfront property for a difficult client in Newport Beach. The whole family including Altman’s parents join the duo for some fun in the sun. Later on, Heather officially asks her husband and his brother Matt for partnership in The Altman Brothers. After months of the Joshes working together and succeeding in closing almost $40 million worth of properties, will they decide to take their partnership to the next level or head their separate ways?