Ty and Tina receive a late night call from Afghanistan, where Corpsman Jacob Gold desperately needs help when his fellow Marine suffers a traumatic head injury. Sydney believes a happy infant's unnatural laughter is related to an undiagnosed neurological problem. And Sung and Hooten attempt to reconcile the husband and sister of a brain-dead gay patient, only to find themselves caught in the legal crosshairs of the situation.
Quest roles:
Valerie Mahaffey(Fran Horowitz), Adam Rose(Joe Newton), Adrian Quinonez(Paramedic), Reiley McClendon(Jacob Gold), Holley Fain(Kara Bishop), Wilmer Calderon(Mike Garrett), Derek Mio(Alex Kimura), Whitney Avalon(Lori Newton), Dave Engfer(Dr. Mac Ryan)