211 Owner of a Lonely Heart

Summery

Cristina has little sympathy for Constance Ferguson, a prison inmate who jeopardizes her health just to get out of solitary confinement. Meanwhile the interns all keep careful watch on the family of premature quintuplets with a variety of serious health challenges, Izzie's anger at Alex reaches a boiling point, and Addison decides to teach Izzie a very painful lesson.

Source: http://abc.go.com/primetime/greysanatomy/index?pn=recap#t=89823&amp;d=89713