Robby and Sam used to be married. They also used to work together fighting rare infectious diseases. Now there has been an outbreak of ebola in Zaire; Sam has been there working. He has asked Robby to stay with the dogs. But she was supposed to leave for her new job in Atlanta at the Center for Disease Control on Friday and Sam hasn’t returned until today. It’s Sunday and Robby expresses her anger and frustration as she leaves for the airport.