The team treats an Army veteran who refuses treatment unless he and his brother are given information about their dead father; Adams seeks help when she suspects House is sick.
On their way to visit the University of Nevada, Will, Carlton and D.J. Jazzy Jeff get involved with gamblers and tough guys at a desert casino.
Joe suspects the worst when Brian and Helen spend an evening alone together.
Frasier takes his "low self-esteem group" to Cheers for interactive therapy.
Fresh blood stains indicate foul play when Seth (William Windom) disappears; a proliferation of strangers in town raises Jessica's suspicions.