While Mark is anxious about Susan's return from her holiday, Doug and Carol ride along with the health mobile.

It's Susan's last day. Carol stands up for her nurses when one of them is being rotated to another department.

Mark and Kerry have to create a policy regarding HIV-positive employees, which leads to gossip amongst the nurses.

Carol has to fire two of the nurses. Meanwhile, Gant feels Benton is too hard on him.

Carter feels guilty about Gant's death. Benton doesn't want to talk about it.

Anspaugh is furious when Carter tells him he wants to quit surgery. Charlie is brought in with an overdose. Mark keeps struggling with his beating.