Winston Story

Members of the hospital staff find unique ways to deal with their grief at George's death; George's mother faces the daunting task of deciding what to do with his organs.

Izzie's medical condition requires a difficult surgery; one of Owen's PTSD episodes causes Cristina to be injured.

Bailey and a team of surgeons must remove a young girl's inoperable tumor; as the new head of trauma, Owen Hunt challenges the surgical abilities of the residents and the attending doctor's methods.

Meredith tries to convince Derek to come back to work; Mark attempts a face transplant surgery; Izzie tries to keep her medical condition a secret.

Cristina, back from her honeymoon trip, searches in vain for Burke; Meredith, Cristina, Izzie and Alex spend their first day as residents with their own groups of interns.

Sadie, one of Meredith's oldest friends, becomes an intern at Seattle Grace; Lexie leads her fellow interns in unorthodox, secretive surgical training; a new surgeon brings rules and order to the OR.