S3, E10: Recent events strain Burke and Cristina's relationship; Meredith's half sister enters the hospital; Mark and Derek must work together when two close-knit brothers seek medical help.

Starring George Dzundza, Brooke Smith, Debra Monk
S3, E10: Recent events strain Burke and Cristina's relationship; Meredith's half sister enters the hospital; Mark and Derek must work together when two close-knit brothers seek medical help.