Megan and Tommy investigate the savage murder of a young woman, which leads them to her neighbor, who bites Tommy and is diagnosed with rabies. When another rabies fatality comes in without any bite marks, Kate calls in the new health commissioner, Dr. Charles Stafford, to help Megan uncover the truth. Could it really be zombies, as some of her colleagues suspect?

Cast: Dana Delany, Jeri Ryan, Mark Valley, Geoffrey Arend, Windell Middlebrooks, Elyes Gabel, Luke Perry, Marisa Ramirez, Matthew Fahey, Wes Aderhold, John Lee Ames, Johnny Yang, Kimberly Whalen, Steve Rizzo, Gregory J. Barnett