Grey's Anatomy: From a Whisper to a Scream

George asks Dr. Hahn from Seattle Presbyterian Hospital to perform the surgery on his father. Burke is called into the Chief's office, and Cristina is afraid that George has told on them. However Chief Webber has told Burke he plans to make him the next Chief of Surgery. A car crash brings in numerous injuries including a pregnant woman with a shard of glass in her heart, and a man with a serious spinal disease. Burke is called in to work on both surgeries. Cristina decides to tell Chief Webber the truth.