When Masters and Johnson decide to film external reactions in the study, they must convince Lester and Jane that their footage wont cross the line into pornography. Haas and Vivians plans for a Presbyterian church wedding are sidetracked when Haas reveals hes Jewish. Libby keeps her pregnancy a secret from Masters and instead encourages him to mend his relationship with his mother. But during late night visits to the hospital, Estabrooks observes Masters and Johnsons intimate relationship.