Katie is a 50-something twice-divorced mother of adult children who works as a teacher and loves helping her students reach their highest potential. You’d never know from her clean-cut look and wholesome vocation that she has threesomes with her friends in her free time, and that she never wants another live-in partner again. In this cultural moment, perimenopausal women shedding the chains of male-centered relationships are in the spotlight, and Katie is living her happiest life and feeling free to be herself for the first time. Season finale.