Elizabeth goes head to head with a U.S. governor over the state's new policy of separating unauthorized immigrants from their children. Also, she and Henry plan to renew their wedding vows.

When innocent Syrian children are killed by an American-made cluster bomb, Elizabeth races to figure out what went wrong before Russia can use it as an excuse to escalate its military presence in the region. Also, Russell faces a PR nightmare after he gets into a heated argument with a homeless protester.