Injured Steve and Jesse help evacuate hospital bombing survivors, while Mark works heroically to save Amanda.
A hospital emergency preparedness drill turns deadly when an unpopular and ambitious nurse is found dead amid the chaos with an eccentric artist the only witness.
A murder at a local high school leads Mark to conclude that one of the students is demanding too high a price for her friendship.
Caterers sabotage one another for the Benefactors Ball account; guests Pat Morita; Donny Most; Erin Moran; David L. Lander; Leslie Easterbrook; Conrad Janis.
Mark wrestles with memories of his wife and grandmother's death when he is forced to testify against a new doctor who practices assisted suicide.
