• Morgan Freeman, Tea Leoni and Timothy Daly speak onstage at the 'Madam Secretary' panel during the CBS Network portion of the 2014 Summer Television Critics Association at The Beverly Hilton Hotel on July 17, 2014 in Beverly Hills, California.

Morgan Freeman, Tea Leoni and Timothy Daly speak onstage at the 'Madam Secretary' panel during the CBS Network portion of the 2014 Summer Television Critics Association at The Beverly Hilton Hotel on July 17, 2014 in Beverly Hills, California. (Photo : Getty Images/Frederick M. Brown)

CBS will air "Madam Secretary "Season 3 episode 14 titled "Labor of Love" on March 5, Sunday, at 9 p.m. In the episode, Elizabeth McCord (Tea Leoni) will have to do something to secure a peace deal after years of civil war.

In order to do this, Elizabeth has to work to save the marriage of a high-profile couple. The star-crossed lovers are the son of the Colombian president and the daughter of the rebel leader.

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In "Labor of Love," viewers will see how Jay Whitman (Sebastian Arcelus) deals with his shaky marriage situation. As for Henry McCord (Tim Daly), he needs to prepare to send his operative undercover.

Moreover, Daisy Grant (Patina Miller) will make a shocking discovery regarding Kevin Park (Justin Baldoni). In Season 3 episode 13 titled "The Beautiful Game," daisy made a connection her new work colleague.

"Labor of Love" was written by Moira Kirland and directed by Charlotte Brandstrom. Stephanie J. Block, Maci Ferrigno, Meadow Ferrigno, Yvette Gonzalez-Nacer, Andy Lucien and Lauren Luna Velez will be featured in the episode.

"Madam Secretary "Season 3 episode 15 titled "Break in Diplomacy," which is directed by Maggie Greenwald, will air on March 12. The episode will feature Nicole Shalhoub as Dendera Antar, Mike Pniewski as Gordon Becker, Martha Millan as Leah Montejo, Michael Gaston as Hugh Haymond, Matthew Provenza as a Westmore student and Sara DeRosa as a reporter.

Watch the cast of "Madam Secretary" in an interview here: