The broad-minded Baumgartners are ready to open their arms-and their marriage-once again.
While Ronnie, their former flirtatious babysitter, is exploring her newfound naughty nature with her lover, Gretchen, Doc and Mrs. B have their sights set on old friends, Daphne and Ari Wilson.
Things really heat up when Ronnie and Gretchen take on an adventurous new roommate-and her boyfriend, too.
Everyone seems to be having a rousing good time-until romance sparks between Ronnie and her handsome personal trainer, Vince, and she needs to decide-does she really share all that well with others?