Kyle, Dorit, and Teddi shop for a wedding gift for Denise, who scrambles to pull off her big day in record time. Lisa Rinna comes face-to-face with an old flame, who dated both her and Denise at the same time. After their disastrous run-in at Camille's birthday party, Lisa Vanderpump dreads seeing Teddi at the wedding. Erika prepares for the launch of her new tour.