Plot Summary:After a young girl is brought into the ER with a potentially serious and highly communicable disease, the Centre for Disease Control orders the entire hospital to be evacuated. Everyone that is except the staff who came into contact with her including John Carter, Abby Lockhart, Pratt and Jing-Mei Chen who will have to spend two weeks quarantined in the ER. Abby and Carter start a relationship. While evacuating patients by helicopter, Dr. Romano has a serious accident. Elizabeth Corday has returned to London to work in her father's hospital but is finding it difficult to adjust to her new environment.