After a array of deaths during a sanatorium a little of a staff turn really superstitious. Izzie worries about Denny and gets confronted by Alex. A studious with OCD drives Cristina crazy. Derek and Addison plead their relations with Meredith. Richard treats a crony from seventeen years ago who reveals a tip about a dim time in his past which involves Ellis. George gets an earful about a women he’s not articulate to. Burke and Cristina disagree about kicking George out.