The Millennium ended with a bang at Oswald State Correctional Facility, Level Four - aka, Emerald City - as racial tensions reached an all-time high. Now, following a two-week lockdown and the appointment of a new Unit Manager, things are definitely changing, but not necessarily for the better. Prison officials are looking for ways to end the hostilities and return Emerald City to normal... but when was Em City ever normal? And if anyone thinks the worst is over for Oz, they're wrong - dead wrong. "The best-written, hardest-edged drama on TV..."- Boston Globe