 Bailey tells Izzie that paying for a patient s operation was once again crossing the line, but when she has to perform a risky intubation on George s father, she realizes that Izzie is not the only one who gets emotionally involved. Meredith, in the meanwhile, has to face her father and Derek has to face the snoring. Addison and Alex avoid each other awkwardly and we learn that Addison was pregnant with Mark. In the end, a deaths strikes the hospital and Burke says he had no tremors since his second surgery.