Dr. William Masters runs a successful medical practice and conducts a secret study.
1h 1m 21s
Masters needs Johnson to manage the chaos of doing the study at a cathouse.
Masters resolves to get the study back to the hospital; Libby tries to conceive.
Masters and Johnson recruit new participants; Johnson's ex-husband wants to sign up; Libby tries to play matchmaker.
Masters and Johnson include couples in the study; Johnson tries to connect with her son; Masters is anxious about becoming a father.
Libby and Masters rest in Miami; Virginia and Jane try to debunk Freud's theory on female orgasms.
Masters and Johnson participate in the study; Libby pressures Dr. Haas to resume her fertility treatments; Margaret confronts her husband.
Masters and Johnson decide to film the study; Johnson works on her college degree.
Masters and Johnson must convince Lester and Jane that the footage will not be pornography.
The hospital takes part in a civil defense drill; a former participant reveals her pregnancy.
Masters accepts Libby's help; Johnson and Dr. DePaul attend a medical convention; Virgina's ex-husband finds Ethan with his children.
Masters presents his findings; the doctors do not respond to the orgasm footage as Masters hopes.