Tracee Chimo Pallero

Elizabeth must decide whether to use autonomous unmanned weapons or send U.S. soldiers to bring the mastermind of the UN gas attack to justice; Blake is questioned by Senator Hanson about potential campaign finance violations.

Henry teams up with a Marine veteran to fight for legislation that helps Veterans Affairs provide better mental health care, but he encounters surprising resistance from Vice President Carlos Morejon; Sen. Hanson questions Daisy about her past.

As Elizabeth makes her plans to leave the state department and prepare for her run for president, a terrorist group attacks the United Nations delegation in Geneva.

Elizabeth faces mounting protests over rising fuel costs as she prepares to throw out the first pitch at a New York Mets game; Mike B. is questioned about whether the McCord campaign conspired with Iran to steal the election.

Elizabeth faces a crisis when a military conflict in international waters spirals to the brink of nuclear confrontation; with the imminent threat of impeachment looming, Elizabeth and Henry make a list of things to do while she's still in office.

A NATO ally carries out an assassination attempt on an old friend of Elizabeth's. Alison begins to date the son of one of Elizabeth's rivals.