While Shafe's addiction problems mount, Hodiak helps an old war buddy find his blackmailer. Meanwhile, Karn gathers information to use against Bobby Kennedy and Grace finds a new love for politics.

Andy Favreau, Chase Coleman, Cynthia Sikes, Elizabeth Sampson, JD Cullum, Joe Williamson, Matthew Arkin, Milauna Jemai Jackson, Morgan McClellan, Peter MacKenzie, Scott Bailey