In a busy emergency room, Kovac feels the pressure to take care of the overflow of cases before the area is shut down for renovations. A lonely Sam befriends terminally ill photojournalist Diana Moore (recurring guest star ANNABELLA SCIORRA), who has a negative outlook. Pratt gets a scare when his brother unexpectedly shows up in the emergency room. & the tension between Gates & his father, Mike (recurring guest star STACY KEACH), reaches a boiling point.