Grey's Anatomy: Season 9, Episode 20

She's Killing Me

Upon receiving some unsettling news, Meredith and Derek take preventative steps for the future of their children; a group of Syrian doctors arrive at Grey Sloan Memorial Hospital for a crash course in basic surgical skills that they plan to apply in the field; and April decides to come clean to Matthew regarding the truth about her virginity. Meanwhile, multiple pre-op patients develop infections, causing one doctor to wonder if she is at fault.