ABC's "Mistresses" - Season Three

MISTRESSES - "Love is an Open Door" - Karen grapples with her feelings as she, Alec and Vivian decide exactly how their relationship is going to work. A bad judgment call involving the kids puts Marc in the doghouse with April, driving her closer to Blair. Joss and Harry rebound from their painful break-up in different ways while Calista enacts revenge on a manipulative Luca, on "Mistresses," THURSDAY, JULY 16 (9:00-10:00 p.m., ET). (Photo by Jeff Weddell/Disney General Entertainment Content via Getty Images)