Strange things are brewing at Rittenhouse. A patient seeks Lu's treatment for what appears to be a simple rash; but upon closer examination, the condition turns out to be a dangerous flesh-eating bacteria. Meanwhile, Andy is caught in the middle of a sensitive case when a mother wants to have her schizophrenic daughter's tubes tied. And Peter tries to piece together clues to close the book on a doc who's up to something sneaky. (thetvdb.com)