When a fight causes a rift in the Palmer/Heffernan relationship, Doug and Carrie attempt to get back at the Palmers by getting a new couple as friends. When their search yields nothing, they resort to two friends they really don't enjoy. But while dining with them, they meet another couple who are in a book club with their increasingly annoying friends. Now Doug and Carrie love them ... at least until they finish the search to find the new couple's phone number. (thetvdb.com)