Fontana and Green are baffled by a series of flu-related deaths until they discover that the victims were given fake vaccine. McCoy goes after the con man who distributed the vaccine for murder.

Alex Manette, Howard W. Overshown, Jason Kaufman, Kate Strohbehn, Kelly Coffield, Ken Triwush, Leslie Hendrix, Madison Arnold, Michael Ornstein, Mitchell Greenberg, Nick Wyman, Patrick McNulty, Rob Sedgwick, Sal Mistretta, Scott Decker, Tim Donoghue, Xander Berkeley