T.C. discovers his sister-in-law’s complicated history after he treats her for a fall down stairs.

A curious boy accompanies his mother to his deceased grandfather’s home. After trying on his grandfather’s glasses, he realizes they may not be alone in the house as a sinister…

Rosalee disappears after some orphans decide she is the mother figure they always wanted and an encounter with a former colleague prompts Adalind to consider going back to work.

Peter helps Joe fulfill his dream of getting a book published, only to take over as the writer. In the meantime, Brian develops an extreme thirst for exercise.

Owen recruits Dr. Teddy Altman, a former Iraqi veteran, as the new cardiothoracic surgeon. Cristina questions her abilities in the E.R. and relationship with Owen. Izzie returns to Seattle Grace…