Masters is caught drunk-driving and Johnson works with Hugh Hefner.
Masters and Johnson focus on their expanding clinic.
Masters and Johnson adjust to new partners.
Johnson, Masters, Libby, Betty, Lester and Keller wind up together at a swingers party.
Masters is forced to make a difficult admission.
Johnson tries to get her relationship with Bill back on track.
Masters intends to make Art his protege as he expands his research.
Masters and Johnson go on the road and pose as a couple at a competing clinic.
Masters and Johnson must deal with the ramifications of their trip to Topeka.
As the practice disintegrates, Masters and Johnson make an important choice about their future.
