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. 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.
As Savannah and her husband are faced with fertility issues, Savannah finds herself attracted to a flirtatious colleague; recent widow April becomes convinced that her husband is actually still alive; Karen deals with the ramifications of an affair.
Karen thinks Savi should hold off on telling Harry about her night with Dominic; April investigates a claim that her late husband, Paul, had another life; Joss befriends a new client (Shannyn Sossamon); Karen agrees to meet with Sam.
Tensions rise between Savi and Dom; Joss gets an impossible work assignment; the Grey family's dysfunctional orbit continues to pull at Karen.
Savi discovers she's pregnant; Joss befriends a real estate client; Karen continues her relationship with Sam Grey.
Savi must hide her pregnancy from Harry as she anxiously waits for paternity test results; Joss and Alex's friendship takes an interesting turn; a private investigator asks Karen about her lover's death.
Harry resists Savi's efforts to make things right; someone breaks into Karen's office; April and Richard's relationship heats up; Olivier makes life difficult for Joss.
Hurt that Savi didn't tell her about the pregnancy or affair, Joss moves in with April; Harry and Dominic butt heads; Karen has a meeting with Detective Newsome; April works to move forward with her relationship.
Savi fights for her marriage, regardless of the baby's paternity; April tries to adjust to the knowledge that her husband is alive; Sam hires Karen's business partner as his therapist; Joss tries to redefine her relationship with Alex.
When Savi and Joss's free-spirited, open-minded and often absent mother comes for an unexpected visit, she brings big news but also stirs up some long-simmering family tensions.
Savi starts to realize things might be over with Harry; April shares her frustration over Paul's appearance at Lucy's school with Richard; Joss tries to help Olivier impress new clients.
Karen begins her deposition into her possible part in the death and cover-up of her lover; Harry goes to the clinic to find out the paternity results; Alex unwittingly stirs up Joss's feelings for Olivier.
Karen's case comes to a shocking conclusion; when the school reports Lucy missing, Paul helps April search for her; Joss tries to repair her relationship with Alex; Savi accepts that Harry is no longer a part of her life and warms to Dom's advances.
A road trip to Palm Springs for Savi's birthday takes a shocking turn; April makes a decision about the two men in her life, Paul (Dondre' T. Whitfield) and Richard (Cameron Bender); and Elizabeth Grey confronts Karen in a final showdown.