The identical twin of a beautiful corpse piques Ethan's interest. Meanwhile, a patient who died after surgery at Megan's old hospital leads Megan to suspect the patient's doctor of malpractice or murder. She starts asking questions, and hospital personnel close ranks.

A stabbing rocks the Philadelphia suburbs, and makes Megan recall her father's death. Meanwhile, Megan pulls car-pool duty with the hard-to-impress Lacey and her girlfriends and Kate consults in a pro bono case with Megan's ex-husband.