Frederick Keeve

The execution of a former mafioso in the witness-protection program leads the agents to a retired mob boss, an unethical US Marshal, and a jealous widow. Elsewhere, Lisbon receives a surprise gift on her birthday.

Russell convinces himself that Barbara's divorce means she will become receptive of his advances. Meanwhile, Adam and Jennifer devise a plot to get more gifts from their wedding.

Masters and Johnson adjust to their new partners, but second-guess their instincts to remain apart. Libby embraces life as a newly-single woman.

As Masters and Johnson return, Libby set off on her own road trip with Bram. Art and Nancy try to tie up loose ends so they can begin again with a fresh start.

Virginia wants to fix her relationship with Bill. Meanwehile, Bill searches for satisfaction, Helen's labour begins, and Libby confesses that she's started dating again.

As the trial begins, Masters and Johnson's trouble flares. Meanwhile, Virginia attempts to revive her career, and the reality of the charges dawns on Bill.