Season 04, Episode 01 – “Freefall”
Season 4 begins with Masters and Johnson searching for purpose after their fallout and looking to work to save them as their personal lives crash down around them. Meanwhile, Libby finds herself alone for the first time and discovers some unexpected allies.
MASTERS OF SEX stars Michael Sheen and Lizzy Caplan, who portray the real-life pioneers of the science of human sexuality, William Masters and Virginia Johnson. The series chronicles the unusual lives, romance and pop culture trajectory of Masters and Johnson. Their research touched off the sexual revolution and took them from a mid-western teaching hospital in St. Louis to the cover of Time magazine.