FOR BETTER OR FOR WORSE, THINGS DON'T GO EXACTLY AS PLANNED ON ABC'S "MISTRESSES"

"The Best Laid Plans" -- Harry deals with the consequences after sleeping with Niko and learning she is his boss' mistress, but it surprisingly leads to a new exciting venture in his career. Karen reaches uncharted territory in her new relationship while Vivian is out of town. April struggles to overcome issues from the past when her mother, Marjorie, comes to visit. Joss and Calista plot a takedown of Luca, ultimately ending with Joss in way over her head, on "Mistresses," THURSDAY, JULY 23 (9:00-10:00 p.m., ET).

"Mistresses" stars Yunjin Kim as Karen Kim, Jennifer Esposito as Calista Raines, Rochelle Aytes as April Malloy, Jes Macallan as Josslyn ("Joss") Carver, Brett Tucker as Harry Davis, and Rob Mayes in the role of Marc. Ed Quinn appears in the recurring guest star role of Alec.

Guest starring are Corinne Massiah as Lucy, Emmanuelle Vaugier as Niko, Noam Jenkins as Luca, Julius Fair as Scotty, Jarod Joseph as Wilson, Lynn Whitfield as Marjorie, Carmel Amit as Ariella Greenberg, Michael Sangha as Kevin and Eva Day as Lindsay.

"The Best Laid Plans" was written by Jerica Lieberman and Molly Margraf and directed by John Scott.

"Mistresses" is broadcast in 720 Progressive (720P), ABC's selected HDTV format with 5.1 channel surround sound. A TV parental guideline will be assigned closer to the airdate.