Mark is befuddled by an invitation from Susan to go on a joint vacation to Hawaii. The ER is filled with more refugees from South Side, Drs. Maggie Doyle and Abby Keaton among them. Peter decides to join Keatons pedes team. Carter gets on Anspaughs bad side when he exaggerates a patients condition to book an operating room. Jeanie tries to keep her HIV status a secret in the face of Weavers queries. Jerry tries to trap a loose kangaroo. Mark spends his entire day working on one patient, against Anspaughs decree that ER attendings and residents should handle 2.5 patients per hour. Carters apartment building burns down.