Based on the hit UK television series of the same name, Mistresses is a provocative and thrilling drama about the scandalous lives of a sexy and sassy group of four girlfriends, each on her own path to self-discovery.
Savannah ("Savi") is a successful career woman working toward the next phase in her life -- both professionally and personally -- bucking for partner at the law firm where she works while also trying to start a family with her husband, Harry. They've been trying to get pregnant for some time, but when their fertility issues begin to take center stage, Savi finds herself attracted to her flirtatious colleague, Dominic.
Savi's free-spirited and capricious baby sister, Josslyn, couldn't be more different, living single, serial dating and partying, and regularly leaning on her big sister. A real estate agent, Josslyn has no interest in a committed, long-term relationship.
Their common best friend, April, is a recent widow and mother of a ten-year-old daughter. In the effort to rebuild her life and move forward, April opens a shop for home decorating. After she receives her late husband's lucrative life insurance check, she begins getting prank phone calls and tells her closest girlfriends that she's convinced her husband is still alive.
Karen is a therapist with her own thriving practice, reconnecting with the girls after her involvement in a complicated relationship with a wealthy, married patient goes too far; she was having an affair with a terminally ill client to whom she had prescribed morphine. After his death, the man's distraught son, Sam, confides in a guilt-ridden Karen, unaware of her role in his father's life. The grieving widow, Elizabeth Grey (recurring guest star Penelope Ann Miller [The Artist]), has no idea her late husband had a romance with another woman.
These four friends find support and guidance with each other as they brave their turbulent journeys and life's storms of excitement, secrecy and betrayal, all the while bound by the complex relationships they've created.