The infiltration of drugs into Oz has reached unprecedented levels; and the undercover efforts of McManus and Glynn to find out who's smuggling it in backfires in a deadly way. Despite a lockdown in the Emerald City, drugs continue to trickle in--and the blame shifts from prisoners to corrupt officials.
Elenco: Harold Perrineau , Lee Tergesen , Dean Winters , Eamonn Walker , Ernie Hudson , Terry Kinney , Christopher Meloni , Rita Moreno , J.K. Simmons , Kirk Acevedo , Craig muMs Grant , BD Wong , Tom Mardirosian .