Austin operates on a pregnant patient with a damaged heart and learns that she had taken the controversial diet pill Phen-phen. An accident reunites Watters and an old flame, the woman he had an affair with. Shutt has his first breakthrough. McNeil and Catera grow closer, while Jack strings Karen Wilder along.. Kate is dealing with the trauma at the cabin, but she feels alone in dealing with it. Diane works with a woman who has a cyst on her ovary... but believes it is a fetus and refuses to remove it.