The nurses are striking, and George refuses to cross the picket line. The interns are surprised by Bailey's seemingly immature replacement, Izzie connects with a pregnant girl, and an elderly woman's plight pushes Meredith to the limit.
The nurses strike, leaving the doctors unprepared for their extra duties. Cristina and Burke have to define their work relationship, Izzie relates to a pregnant teenager, and Meredith finds parallels to her mother in a case requiring her to remove life support.—layle