A soldier, wounded in Iraq by shrapnel to his head, suffers a stroke, which leads to paralysis in his leaf arm. Elsewhere, a woman is diagnosed with a so-called joking disease caused by a tumor that makes her lose memory and find most things humorous.
Erica Lund, a young girl, is admitted to Hanso Neuro as she's been experiencing violent seizures. However, she's refusing to have surgery because she has euphoric moments before each episode. Elsewhere, patient Matt Ketchum is being treated for a traumatic head wound that causes him to blurt out his most intimate thoughts.