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.
Quest roles:
Annie Parisse(Alexandra Borgia), Leslie Hendrix(Elizabeth Rodgers), Jordan Charney(Donald Karan), Karen Shallo(Anna Shiro), Michael Ornstein(Eugene Miller), Xander Berkeley(Clay Pollack), Kelly Coffield Park(Joanne Citron), Tim Donoghue(John Kreidal), Madison Arnold(Saul Lasky), Mitch Greenberg(Dr. Barry Samuels), Nicholas Wyman(Dr. Adams), Alex Manette(Bailiff), Howard W. Overshown(Kyle Rowan), Scott Decker(Mike Bass), Patrick McNulty(Dr. Wasserman), Kate Strohbehn(Julie Marcheck), Jason Kaufman(Uniform Officer), Ken Triwush(EMT Worker), Sal Mistretta(Lucas Zeiring), Robert Sedgwick(Elliot Peters), Alan Hasnas(Jury Foreperson), Stefanie Barry(Elena)