Dr. Jill Biden visits Fort Marshall to kick off the post's annual 'Fun Run,' a road race and obstacle course for the local community and post families, in support of a summer camp for children of military families. While on post, Dr. Biden also visits with military spouses to discuss some of the challenges their families face on a daily basis while their loved ones are deployed. Denise's sisters, Beth and Suzanne, come for a visit and Denise finds herself in the middle of their constant bickering. Trevor's unit finds itself in a dangerous situation. Chase works through his issues in therapy with the help of Roland.