Masters of Sex

Three years on, Masters and Johnson face the press as they prepare to publish their study. Meanwhile, Libby pulls herself out of a depression.

The shockwaves surrounding the press conference reverberate as the book nears its publication date. Masters takes on a high-profile fertility patient with the help of a new doctor.

After Masters and Johnson's book is published, the public's response causes unease around the office, while the spotlight on her mother starts to affect Tessa at school.

While Masters tries to convince Johnson to rededicate herself to the study, a familiar face returns to the clinic for help. Meanwhile, Johnson is distracted by news of Henry.

Masters deals with his embarrassing departure from the university by taking on a promising fertility patient, while Johnson's parents arrive unannounced.

As their celebrity spreads, Masters and Johnson take on a famous couple looking to reinvigorate their sex life. Tessa makes a discovery about her mother's childhood.

Masters and Johnson hit the news when they take on an exotic new patient. Meanwhile, Libby and Paul deal with the fallout of exposed truths.

With Johnson away in Las Vegas with Dan, Masters makes a start on the surrogacy programme. Libby is forced to confront memories from the past.

Lester volunteers as the first male surrogate for Masters and Johnson's new programme. Libby tries to mask her feelings by setting Paul up with a friend.

Johnson objects to Masters' program after both Nora and Lester have missteps in the protocol, while Tessa explores what sex really means to her.

When Masters organises dinner with Johnson, Dan and Dan's wife, truths are exposed and no relationship emerges unscathed. Meanwhile, Libby faces a shocking accusation.

Masters and Johnson return home to find their research is in jeopardy, and prepare to publish their new book. Johnson makes a choice about her future.