Hathaway returns to work after her suicide attempt, and gets support from her co-workers and her orthopedic surgeon boyfriend, Dr. John "Tag" Tagliari. A mysterious woman (played by Rosemary Clooney) comes to the ER and sings to the doctors and patients while the doctors try to find out who she is. Lewis deals with a heart patient. Carter continues to work with the hypochondriac woman. Benton works with an injured convenience store clerk who insists on defending himself when his store is robbed.