Cameron postpones her vacation with Chase in order to ask House to accept the case of an environmental radical who collapsed at a protest with unexplainable symptoms. Although suspicious of her motives, House agrees. Since she pushed him to take the case so emphatically, House forces Cameron to take the lead and run many of the tests on the patient. Meanwhile, House is unsure of Wilson’s new healthy diet.
NCIS agents from Washington, D.C., L.A. and Hawai'i, all in D.C. to attend the retirement party of a beloved Federal Law Enforcement Training Center (FLETC) professor, find themselves investigating his shocking suicide.
When an Army ranger goes missing after returning from deployment, Magnum learns of the traumatic news he received upon arriving home and must find him before survivors guilt consumes him. Also, Higgins and Ethan solve the case of a missing engagement ring while on a mini-break, and Katsumoto tries spending quality time with his teenage son.
Gabi and Josh scheme for some alone time away from Sofia, who has become something of a third wheel.
Demetri and Banks try to track down a killer; Mark reluctantly agrees to help Simon find his sister; the FBI discovers the identity of Suspect Zero.
