As the official chaplain of a major Seattle medical complex, Raff - now Father Rafferty - attends to the spiritual needs of the victims of a lethal and previously unknown viral disease believed to be caused by a mysterious organism known as HH-256. Fired research physician Dr. Amir Hallaby confides to Raff that he suspects that rival researcher Dr. Henry Hammel is behind the spread of the virus via deliberately contaminated vaccines manufactured by...