Joe Holt

Learning more about Sona's 'kingpin' as he gets set to punish a framed Whistler for murder. Plus, Michael's earth is shattered when he learns the truth about Sara.

While rumors of the Chief's departure spread among the hospital staff, Bailey proposes the creation of a free clinic, and a Seattle Grace doctor receives a proposal of a different sort.

Still reeling from the death of Sara, Michael Scofield finds himself locked into a fight to the death with Whistler. Unless they can put their escape plan into action first.

Michael is forced to ask T-Bag for help as he embarks on a mission to gain access to the only phone in Sona, Lechero's.

The BAU responds quickly after a serial killer releases a new strain of a deadly anthrax virus in Annapolis that threatens the public and puts a member of the team at risk.

Olivia and her team must do some heavy lifting -- literally -- to clean up the mess after a public figure is caught in a compromising position; Cyrus and Fitz must deal with a foreign-policy emergency.