Reeling from the news that Andrew doesn't plan on getting married anytime soon, Katie does some secret home renovating behind his back. Charrisse finally tells her friends the truth about her 18-year marriage, leaving the women in shock. With her daughter about to leave for college, Karen takes to the air...literally, by learning how to fly a plane. Ashley violates the rules of Potomac by spreading online gossip about the ladies of Potomac - leaving her to face the wrath of this close-knit community.